Structure 810374 · Guilford County, NC

Sr3045 over I40 I85

Carries Sr3045 over I40 I85, 0.15 Mi.s.jct.sr3143.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT335 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

335 ft end to end, longest span 123 ft: about 5 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.

Built1994rebuilt 2001
Length335.0 ft102.1 m
Daily traffic8,300counted 2022
Last inspectedJuly 2024every 24 months

Location

StateNorth Carolina
CountyGuilford
Location0.15 Mi.s.jct.sr3143
CarriesSr3045
CrossesI40 I85
Coordinates36.05909, -79.66097

Physical Characteristics

MaterialSteel Continuous
DesignStringer/Multi-beam
Total Length335.0 ft (102.1 m)
Max Span122.7 ft (37.4 m)
Deck Width99.1 ft (30.2 m)
Deck Area3083.4 sq m
Main Spans2
Year Built1994 (reconstructed 2001)

Traffic

Avg Daily Traffic8,300 (2022)
Truck Traffic7%
Lanes On Bridge5
Lanes Under Bridge10

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000810374

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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