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VTCA SPRING CONFERENCE Kendal R. Walus, PE State Structure and Bridge Engineer Structure and Bridge Presentation 2019 April 11, 2019
VTCA SPRING CONFERENCE
Kendal R. Walus, PE
State Structure and Bridge Engineer
Structure and Bridge Presentation 2019
April 11, 2019
• Inspection Contract
• NOVA Inspection for Ancillary Structures (May - RFP) - Multiple Award Inspection Contract
• Design Contracts – Project Specific
• Culpeper - Single Bridge - Project (Possible June - RFP)
• Richmond - Varina-Enon Bridge Maintenance Plan - Project Specific (Possible August - RFP)
• NOVA Project Specific – Two Potential Projects – Advertisement - TBD
Upcoming Procurements
Performance
Virginia Department of Transportation
No
. Go
od
/Fai
r1
9,1
49
No
. Go
od
/Fai
r1
9,1
92
No
. Go
od
/Fai
r1
9,4
37
No
. Go
od
/Fai
r1
9,5
95
No
. Go
od
/Fai
r1
9,6
46
No
. Go
od
/Fai
r1
9,8
44
No
. Go
od
/Fai
r2
0,0
24
No
. Go
od
/Fai
r2
0,2
09
No
. Go
od
/Fai
r2
0,3
10
91.8%92.0%
92.4%
93.2% 93.2%
93.9% 94.7%
95.6%
96.0%
93.2%
93.8%
93.4%
95.2% 95.1%
95.7% 95.7%96.0%
96.2%
87.0%
88.0%
89.0%
90.0%
91.0%
92.0%
93.0%
94.0%
95.0%
96.0%
97.0%
18,000
18,500
19,000
19,500
20,000
20,500
21,000
06/2010 03/2011 04/2012 01/2014 07/2014 07/2015 07/2016 07/2017 07/2018
% S
truct
ure
s in
Go
od
/Fai
r C
ond
itio
n
Num
ber
of
Str
uct
ure
s in
Fai
r/G
oo
d C
ond
itio
n
Chart 2 - Percentage of Non-SD Structures Statewide by Count and Deck Area (Nine Year Trend)
No. Good/Fair Good/Fair % by Count Good/Fair % by Deck Area
Based on FY2018 Data
VA Responsible Structures
Performance – Non-SD Structures Trend
4Based on January, 2019 Data
VA Responsible Structures
94.9% 95.1% 95.3% 95.6% 95.7% 95.9% 96.0% 96.1% 96.3%
94.2% 94.3% 94.5% 94.7% 94.9% 95.1% 95.3% 95.5%95.6%
90%
92%
94%
96%
98%
100%
Percentage of Non-Deficient Structures Graph of Recent Progress
All StructuresNBI OnlyTargetDecember 31, 2018 - 95.5%
Statewide Target for All Bridges & Culverts, and NBI Structures
ARTBA National Ranking of Virginia NBI Bridges
• 2018 NSBA Prize Bridge Award
• Short Span Category
• 1st Bridge in USA to Use 50CR for:
• Tapered Girder Webs
• Cross Frames
• Stainless Steel High Strength Bolts
2018 National Steel Bridge Alliance Award
Virginia Department of Transportation
Route 340 over South River – Waynesboro, Virginia
Staunton District
• 2018 PCA Concrete Bridge Award
• 1 of 8 Winners in USA
• Recognition of Creativity and Imagination
in the Structural, Functional, Aesthetic,
Sustainable and Economic Design
• 1st Bridge in USA to Use CFRP for:
• All Reinforcement in Bulb-T Beams
2018 PCA Bridge Design Award of Excellence
Virginia Department of Transportation
Route 49 over Aaron’s Creek – Halifax County, Virginia
Lynchburg District
• 2018 Roads & Bridges Top 10 Bridges
• Longest Steel Jointless Bridge in VA
• Use of Virginia Abutment
• Use of Low Shrinkage Concrete (before
2016 Specs)
• Alternate Foundation Design
• Innovative Construction Details
Roads & Bridges 2018 Top 10 Bridges - 6th Place
Virginia Department of Transportation
Route 340 over South Fork Shenandoah River - Front Royal, Virginia
Staunton District
2018 ACI Excellence in Concrete Construction
Virginia Department of Transportation
• Won in Both the Category “Infrastructure” as well as the Commonwealth Award
• First Bridge in Commonwealth to use the New Adjacent Member Connection Detail
• Innovative Connection that Effectively Transfers the Loads Transversely
• Filling Material, Very High Performance Concrete (VHPC)
• Significantly Reduces the Lap Splice Length for the Steel Reinforcement
Route 744 over Bluestone River - Tazewell County, Virginia
Bristol District
2019 ACEC Virginia’s Engineering Excellence Awards
Virginia Department of Transportation
• 2019 Honor Award Category
• Context Sensitive Design
• Diverging Diamond Interchange
• Architectural Treatment
• Successful Incorporation of Concrete Bridge Panel
Southgate Drive over Route 460 – Blacksburg, Virginia
Salem District
• 2018 Bridge Crew Accomplishments
• Perform Work for 35% Cost of the Contractor Community
• Performed Preventative Maintenance on over 3,473 Bridges
• Rehabilitated 84 Structurally Deficient Bridges
• Replaced 83 Structurally Deficient Bridges
Bridge Crews
Virginia Department of Transportation
• Implementation of New Technologies:
• Continuous Spans for New Bridges – 1970’s
• Latex Modified Concrete Deck Overlays – 1970’s
• Three Coat Zinc Based Paints – 1982
• High Performance Concrete in All Bridge Elements - 2003
• Corrosion Resistant Reinforcing Steel – 2008
• Jointless Bridge Technology – 2011
• Self Consolidating Concrete for Drilled Shafts - 2015
• Low Shrinkage Concrete in Bridge Decks – 2015
• Latex Modified Overlays Using Hydro Demolition – 2015
• Carbon Fiber and Stainless Steel Prestressing Strands in Piles – 2017
• Inverted Tee Beam - 2017
• Corrosion Resistant Structural Steel (Grade 50CR) – 2018
• Elastomeric Concrete Plug Joints - 2018
• Engineered Cementitious Concrete for Steel Culvert Repairs - 2018
Innovations
13
Innovations
• Design
• Jointless Design
• Use Virginia Abutment and Pier Details
• Eliminate Joints Where Possible
• Closures
• Deck Extensions
• Corrosion Resistant Reinforcing Steel
• Low Shrinkage Concrete in Bridge Decks
Innovations
14
• Closure Pours and Overlays
I-64 Over Dunlap Creek – Staunton District
• Overlays
15
Innovations
• Carbon Fiber/Stainless Steel Prestressing Strands
Innovations
Nimmo Parkway – 18 Piles Virginia Beach, Virginia
Hampton Roads District
17
Innovations
Route 49 over Aaron’s Creek - Lynchburg District
• Carbon Fiber Prestressing Strands for Bulb Tee Beams
Innovations
PTFE Fabric on Steel Plate Elastomeric Concrete Placement
• Elastomeric Concrete Plug Joints
• Inverted Tee Beam Standard
• Up to 45 Feet
• Improved Constructability
19
Innovations
• Engineered Cementitious Concrete Culvert Repair
Innovations
Virginia Department of Transportation
Upcoming Changes to Design Guidelines
Virginia Department of Transportation
• Upcoming Items Heading Your Way:
• Plan Sheet Development Guidance Update
• More Mash Crash Tested Bridge Barriers
• Single Slope Concrete Parapet (SSCP) Standard
• Guidance on Box Culvert Wingwalls
• Design Guidance on Climate Change
• Introduction of New Materials
• ECC and VHPC
• Carbon Fiber Prestressing Bulb Tee Girder Standards
• Special Provision for Superstructure Erection Stability
• Concrete and Steel Main Members
Trends
Virginia Department of Transportation
• Continued Focus on Safety - IIM S&B 96 – Lead Exposure Safety Directive:
• VDOT’s Lead Exposure Control Program Manual – September 2018
• Unmanned Aerial Vehicle Inspections
• To be Used Where Most Practical
• High Mast Light Poles
• Confined Areas
• Tall Piers
• FAA Regulations
• Licensing Requirements
• Data Management
• Need for Artificial Intelligence – Scanning Data and Making
Recommendations on Where to Look for Problems
Trends
Virginia Department of Transportation
VTCA SPRING CONFERENCE
Kendal R. Walus, PE
State Structure and Bridge Engineer
Structure and Bridge Presentation 2019
April 11, 2019
