Structure 23099 · Suffolk County, VA

Is 664 Nbl over Commonwealth Railroad

Carries Is 664 Nbl over Commonwealth Railroad, 2.9 Mi Fr Int RTE 337.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT397 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

397 ft end to end, longest span 160 ft: about 6 semi-trucks nose to tail. Lengths and the semi-truck on the deck are drawn to the same scale. 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.

Built199135 years old
Length397.0 ft121 m
Daily traffic40,739counted 2022
Last inspectedSeptember 2023every 24 months

Location

StateVirginia
CountySuffolk
Location2.9 Mi Fr Int RTE 337
CarriesIs 664 Nbl
CrossesCommonwealth Railroad
Coordinates36.86182, -76.43118

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length397.0 ft (121 m)
Max Span160.1 ft (48.8 m)
Deck Width55.8 ft (17 m)
Deck Area2,057 sq m
Main Spans3
Year Built1991

Traffic

Avg Daily Traffic40,739 (2022)
Lanes On Bridge3

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000023099

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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