Structure 1550175 · Robeson County, NC

Sr1600 over Lumber River

Carries Sr1600 over Lumber River, 0.01 Mi. W. Of Sr1536.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT268 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9 · sets the ratingSuperstructure 5/9 · sets the ratingSubstructure 6/9

268 ft end to end, longest span 46 ft: about 4 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.

Built195670 years old
Length267.7 ft81.6 m
Daily traffic8,900counted 2022
Last inspectedApril 2024every 24 months

Location

StateNorth Carolina
CountyRobeson
Location0.01 Mi. W. Of Sr1536
CarriesSr1600
CrossesLumber River
Coordinates34.62022, -79.01077

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length267.7 ft (81.6 m)
Max Span45.9 ft (14 m)
Deck Width47.9 ft (14.6 m)
Deck Area1191.4 sq m
Main Spans6
Year Built1956

Traffic

Avg Daily Traffic8,900 (2022)
Truck Traffic7%
Lanes On Bridge3

Inspection & Ownership

Last InspectionApril 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000001550175

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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