Structure 1550037 · Robeson County, NC

Sr1505 over Big Raft Swamp

Carries Sr1505 over Big Raft Swamp, 0.1 Mi.w Jct Sr1779.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT135 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

135 ft end to end, longest span 43 ft. 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 slab bridge.

Built198145 years old
Length134.8 ft41.1 m
Daily traffic2,500counted 2022
Last inspectedSeptember 2024every 48 months

Location

StateNorth Carolina
CountyRobeson
Location0.1 Mi.w Jct Sr1779
CarriesSr1505
CrossesBig Raft Swamp
Coordinates34.81736, -79.12816

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length134.8 ft (41.1 m)
Max Span43.0 ft (13.1 m)
Deck Width38.4 ft (11.7 m)
Deck Area480.9 sq m
Main Spans3
Year Built1981

Traffic

Avg Daily Traffic2,500 (2022)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2024
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000001550037

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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