Structure 1150059 · Madison County, NC

Sr1390 over Walnut Creek

Carries Sr1390 over Walnut Creek, .02 Mi.s.jct.sr1395.

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
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT73 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

73 ft end to end. Lengths and the car 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 slab bridge.

Built201412 years old
Length72.8 ft22.2 m
Daily traffic800counted 2016
Last inspectedAugust 2023every 24 months

Location

StateNorth Carolina
CountyMadison
Location.02 Mi.s.jct.sr1395
CarriesSr1390
CrossesWalnut Creek
Coordinates35.83163, -82.66740

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length72.8 ft (22.2 m)
Max Span66.9 ft (20.4 m)
Deck Width26.9 ft (8.2 m)
Deck Area182.0 sq m
Main Spans1
Year Built2014

Traffic

Avg Daily Traffic800 (2016)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001150059

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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