US Bridges

Route 13 Nbl over Cb & Lookout RD - Tres a

Good

Virginia Beach city, Virginia · 1581NHMPTN CO0.00NCL Va B · Structure no. 000000000012747

Built
1964
61 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
17,587 ft
235 main spans
Daily traffic
5,424
2022 count
Owner
Toll Authority
State Toll Authority

About this bridge

Route 13 Nbl over Cb & Lookout RD - Tres a is a prestressed concrete stringer/multi-beam or girder carrying Route 13 Nbl over Cb & Lookout RD - Tres a in Virginia Beach city, Virginia. It was built in 1964, so it is 61 years old, older than the Virginia average of 50.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,424 vehicles a day, projected to reach 7,919 by 2042. The structure is 17,587 ft (5,360.5 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 13 Nbl
CrossesCb & Lookout RD - Tres a
Location1581NHMPTN CO0.00NCL Va B
RouteU.S. Route 13
Coordinates36.91658, -76.13044
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans235
Design loadHS 20 + Mod
Structure length17,587 ft (5,360.5 m)
Longest span75 ft (22.9 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deck14 ft (4.2 m)

Traffic and service

Average daily traffic5,424 (2022)
Projected traffic7,919 by 2042
Trucks0%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.2 mi (2 km)
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$600 million (2018 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Route 13 Nbl over Cb & Lookout RD - Tres a built?

It was built in 1964, making it 61 years old in 2025.

What condition is Route 13 Nbl over Cb & Lookout RD - Tres a in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Route 13 Nbl over Cb & Lookout RD - Tres a carry?

About 5,424 vehicles per day (2022 count).

How long is Route 13 Nbl over Cb & Lookout RD - Tres a?

The structure is 17,587 ft (5,360.5 m) long with a longest span of 75 ft (22.9 m) and a deck 33 ft wide.

Who owns Route 13 Nbl over Cb & Lookout RD - Tres a?

It is owned by the State Toll Authority.