Structure 14846 · Roanoke County, VA

Williamson Rd./11 over Boxley Creek

Carries Williamson Rd./11 over Boxley Creek, 0.92-rte117; 1.25-rte118.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT38 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 6/9 · sets the rating

38 ft end to end. Lengths and the car 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.

Built1929rebuilt 1995
Length38.1 ft11.6 m
Daily traffic10,471counted 2022
Last inspectedDecember 2023every 24 months

Location

StateVirginia
CountyRoanoke
Location0.92-rte117; 1.25-rte118
CarriesWilliamson Rd./11
CrossesBoxley Creek
Coordinates37.33384, -79.95471

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length38.1 ft (11.6 m)
Max Span38.1 ft (11.6 m)
Deck Width41.0 ft (12.5 m)
Deck Area145 sq m
Main Spans1
Year Built1929 (reconstructed 1995)

Traffic

Avg Daily Traffic10,471 (2022)
Lanes On Bridge3

Inspection & Ownership

Last InspectionDecember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical4 — Foundations need monitoring
Structure Number000000000014846

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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