Structure 810975 · Guilford County, NC

I85n over I74 Us311

Carries I85n over I74 Us311, 0.7 Mi. N. Jct. Nc62.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT274 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 7/9 · sets the rating

274 ft end to end, longest span 138 ft: about 4 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.

Built201016 years old
Length274.0 ft83.5 m
Daily traffic28,000counted 2020
Last inspectedMay 2024every 24 months

Location

StateNorth Carolina
CountyGuilford
Location0.7 Mi. N. Jct. Nc62
CarriesI85n
CrossesI74 Us311
Coordinates35.92871, -79.92468

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length274.0 ft (83.5 m)
Max Span137.8 ft (42 m)
Deck Width62.0 ft (18.9 m)
Deck Area1578.2 sq m
Main Spans2
Year Built2010

Traffic

Avg Daily Traffic28,000 (2020)
Truck Traffic16%
Lanes On Bridge3
Lanes Under Bridge8

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000810975

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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