Structure 1110016 · McDowell County, NC

I-40 Wbl over Sr1103

Carries I-40 Wbl over Sr1103, 0.8 Mi.e.jct.us70.

Overall conditionGood

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT150 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

150 ft end to end, longest span 82 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.

Built199036 years old
Length149.9 ft45.7 m
Daily traffic14,000counted 2020
Last inspectedMarch 2024every 24 months

Location

StateNorth Carolina
CountyMcDowell
Location0.8 Mi.e.jct.us70
CarriesI-40 Wbl
CrossesSr1103
Coordinates35.62297, -82.18099

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length149.9 ft (45.7 m)
Max Span81.7 ft (24.9 m)
Deck Width43.0 ft (13.1 m)
Deck Area598.7 sq m
Main Spans3
Year Built1990

Traffic

Avg Daily Traffic14,000 (2020)
Truck Traffic23%
Lanes On Bridge2
Lanes Under Bridge2

Inspection & Ownership

Last InspectionMarch 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000001110016

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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