Structure 22121 · Suffolk County, VA

Route 0639 over Sbd Sys Rr & Ns Railway

Carries Route 0639 over Sbd Sys Rr & Ns Railway, 0.13mi.fr.int.rte:58.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck9/9 · Excellent
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT399 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 6/9 · sets the ratingSubstructure 7/9

399 ft end to end, longest span 73 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.

Built196264 years old
Length399.0 ft121.6 m
Daily traffic1,218counted 2022
Last inspectedMarch 2024every 24 months

Location

StateVirginia
CountySuffolk
Location0.13mi.fr.int.rte:58
CarriesRoute 0639
CrossesSbd Sys Rr & Ns Railway
Coordinates36.73128, -76.62484

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length399.0 ft (121.6 m)
Max Span73.2 ft (22.3 m)
Deck Width30.8 ft (9.4 m)
Deck Area1143.0 sq m
Main Spans6
Year Built1962

Traffic

Avg Daily Traffic1,218 (2022)
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000022121

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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