Structure 810131 · Guilford County, NC

Sr2770 over Us70

Carries Sr2770 over Us70, 0.3 Mi. N. Of Jct. Sr3163.

Overall conditionPoor

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

How ratings work
Decksets the rating4/9 · Poor
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT177 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 4/9Superstructure 4/9Substructure 4/9

177 ft end to end, longest span 75 ft: about 2 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.

Built196363 years old
Length176.8 ft53.9 m
Daily traffic6,400counted 2022
Last inspectedSeptember 2024every 24 months

Location

StateNorth Carolina
CountyGuilford
Location0.3 Mi. N. Of Jct. Sr3163
CarriesSr2770
CrossesUs70
Coordinates36.08758, -79.74034

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length176.8 ft (53.9 m)
Max Span74.8 ft (22.8 m)
Deck Width60.0 ft (18.3 m)
Deck Area986.4 sq m
Main Spans3
Year Built1963

Traffic

Avg Daily Traffic6,400 (2022)
Truck Traffic6%
Lanes On Bridge2
Lanes Under Bridge5

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 Number000000000810131

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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