Structure 370117 · Chatham County, NC

Sr1559 over Dry Creek

Carries Sr1559 over Dry Creek, 0.5 Mi.n.jct.sr1346.

Overall conditionGood

Set by its lowest-rated component: Substructure at 7 of 9.

How ratings work
Deck8/9 · Very Good
Superstructure8/9 · Very Good
Substructuresets the rating7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT95 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 7/9 · sets the rating

95 ft end to end, longest span 44 ft. 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.

Built200323 years old
Length94.8 ft28.9 m
Daily traffic170counted 2000
Last inspectedAugust 2021every 48 months

Location

StateNorth Carolina
CountyChatham
Location0.5 Mi.n.jct.sr1346
CarriesSr1559
CrossesDry Creek
Coordinates35.77758, -79.27789

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length94.8 ft (28.9 m)
Max Span44.0 ft (13.4 m)
Deck Width32.8 ft (10 m)
Deck Area289 sq m
Main Spans3
Year Built2003

Traffic

Avg Daily Traffic170 (2000)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2021
Inspection FrequencyEvery 48 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number000000000370117

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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