Structure 630110 · Durham County, NC

Sr1110 over Little Creek

Carries Sr1110 over Little Creek, 0.1mi.s.jct.sr1107.

Overall conditionPoor

Set by its lowest-rated component: Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructure5/9 · Fair
Substructuresets the rating4/9 · Poor
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT170 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 4/9 · sets the rating

170 ft end to end, longest span 41 ft: about 2 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 slab bridge.

Built197947 years old
Length169.9 ft51.8 m
Daily traffic13,000counted 2021
Last inspectedJanuary 2025every 12 months

Location

StateNorth Carolina
CountyDurham
Location0.1mi.s.jct.sr1107
CarriesSr1110
CrossesLittle Creek
Coordinates35.88721, -78.98424

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length169.9 ft (51.8 m)
Max Span40.7 ft (12.4 m)
Deck Width41.0 ft (12.5 m)
Deck Area647.5 sq m
Main Spans4
Year Built1979

Traffic

Avg Daily Traffic13,000 (2021)
Truck Traffic7%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2025
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number000000000630110

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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