Structure 1345 · Berkeley County, SC

Sc 45 over Wedboo Swamp

Carries Sc 45 over Wedboo Swamp, 15.2mi NE Moncks Crn.

Overall conditionFair

Set by its lowest-rated component: Culvert at 6 of 9.

How ratings work
Culvertsets the rating6/9 · Satisfactory
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT ACROSS25 FT0ELEVATION · LENGTHS TO SCALE
Culvert 6/9

A culvert 39 ft across with 3 openings. 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, so those are drawn as typical for a culvert.

Built1947rebuilt 1973
Length39.0 ft11.9 m
Daily traffic750counted 2023
Last inspectedSeptember 2023every 24 months

Location

StateSouth Carolina
CountyBerkeley
Location15.2mi NE Moncks Crn
CarriesSc 45
CrossesWedboo Swamp
Coordinates33.33140, -79.80221

Physical Characteristics

MaterialConcrete
DesignCulvert
Total Length39.0 ft (11.9 m)
Max Span12.1 ft (3.7 m)
Deck Width82.3 ft (25.1 m)
Deck Area298.7 sq m
Main Spans3
Year Built1947 (reconstructed 1973)

Traffic

Avg Daily Traffic750 (2023)
Truck Traffic24%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000001345

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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