Structure 1310051 · Northampton County, NC

Sr1311 over Gumberry Swamp

Carries Sr1311 over Gumberry Swamp, 0.5 Mi.e.jct.sr1313.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT45 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 6/9 · sets the rating

45 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.

Built197848 years old
Length44.9 ft13.7 m
Daily traffic1,200counted 2018
Last inspectedJanuary 2025every 24 months

Location

StateNorth Carolina
CountyNorthampton
Location0.5 Mi.e.jct.sr1313
CarriesSr1311
CrossesGumberry Swamp
Coordinates36.43509, -77.46541

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length44.9 ft (13.7 m)
Max Span43.0 ft (13.1 m)
Deck Width35.8 ft (10.9 m)
Deck Area149.3 sq m
Main Spans1
Year Built1978

Traffic

Avg Daily Traffic1,200 (2018)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001310051

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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