Structure 310003 · Carteret County, NC

Sr1300 over Back Creek

Carries Sr1300 over Back Creek, 5.5 Mi.n. Of Jct.sr1163.

Overall conditionFair

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

How ratings work
Deck7/9 · Good
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT107 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

107 ft end to end, longest span 43 ft. 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.

Built199729 years old
Length107.0 ft32.6 m
Daily traffic890counted 2016
Last inspectedApril 2023every 24 months

Location

StateNorth Carolina
CountyCarteret
Location5.5 Mi.n. Of Jct.sr1163
CarriesSr1300
CrossesBack Creek
Coordinates34.89336, -76.62332

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length107.0 ft (32.6 m)
Max Span43.0 ft (13.1 m)
Deck Width33.1 ft (10.1 m)
Deck Area329.3 sq m
Main Spans3
Year Built1997

Traffic

Avg Daily Traffic890 (2016)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000310003

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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