Structure 12747 · Virginia Beach County, VA

Route 13 Nbl over Cb & Lookout RD - Tres A

Carries Route 13 Nbl over Cb & Lookout RD - Tres A, 1581nhmptn Co0.00ncl Va B.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
17,587 FT OVERALL2,500 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

17,587 ft end to end, longest span 75 ft: about 49 football fields, or 3.3 miles. Lengths are drawn to scale; at this length a semi-truck would be a speck. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built196462 years old
Length17586.9 ft5360.5 m
Daily traffic5,424counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateVirginia
CountyVirginia Beach
Location1581nhmptn Co0.00ncl Va B
CarriesRoute 13 Nbl
CrossesCb & Lookout RD - Tres A
Coordinates36.91658, -76.13044

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length17586.9 ft (5360.5 m)
Max Span75.1 ft (22.9 m)
Deck Width32.8 ft (10 m)
Deck Area53,605 sq m
Main Spans235
Year Built1964

Traffic

Avg Daily Traffic5,424 (2022)
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Toll Authority
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000012747

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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