Structure 330027 · Caswell County, NC

Sr1103 over Grays Branch Creek

Carries Sr1103 over Grays Branch Creek, 0.45 Mi. S. Jct. Sr1136.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructure8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT123 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 7/9 · sets the ratingSubstructure 8/9

123 ft end to end, longest span 58 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.

Built200917 years old
Length122.7 ft37.4 m
Daily traffic950counted 2019
Last inspectedMay 2021every 48 months

Location

StateNorth Carolina
CountyCaswell
Location0.45 Mi. S. Jct. Sr1136
CarriesSr1103
CrossesGrays Branch Creek
Coordinates36.26692, -79.45943

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length122.7 ft (37.4 m)
Max Span57.7 ft (17.6 m)
Deck Width29.9 ft (9.1 m)
Deck Area340.3 sq m
Main Spans3
Year Built2009

Traffic

Avg Daily Traffic950 (2019)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000330027

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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