Structure 670218 · Forsyth County, NC

Us52 Us311 over Us311

Carries Us52 Us311 over Us311, .8 Mi. N. Jct.us58/us421.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT127 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 4/9 · sets the rating

127 ft end to end, longest span 59 ft. 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.

Built1963rebuilt 1999
Length127.0 ft38.7 m
Daily traffic90,000counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateNorth Carolina
CountyForsyth
Location.8 Mi. N. Jct.us58/us421
CarriesUs52 Us311
CrossesUs311
Coordinates36.10525, -80.23615

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length127.0 ft (38.7 m)
Max Span58.7 ft (17.9 m)
Deck Width97.4 ft (29.7 m)
Deck Area1149.4 sq m
Main Spans3
Year Built1963 (reconstructed 1999)

Traffic

Avg Daily Traffic90,000 (2022)
Truck Traffic12%
Lanes On Bridge6
Lanes Under Bridge4

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000670218

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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