Structure DAPTRAJAC0N0531 · Richland County, SC

Salem Road over Cobbs Pond

Carries Salem Road over Cobbs Pond, Range 12f.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT40 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

40 ft end to end. 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.

Built200818 years old
Length40.0 ft12.2 m
Daily traffic80counted 2019
Last inspectedMay 2021every 24 months

Location

StateSouth Carolina
CountyRichland
LocationRange 12f
CarriesSalem Road
CrossesCobbs Pond
Coordinates34.07531, -80.82106

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length40.0 ft (12.2 m)
Max Span40.0 ft (12.2 m)
Deck Width24.3 ft (7.4 m)
Deck Area90.3 sq m
Main Spans1
Year Built2008

Traffic

Avg Daily Traffic80 (2019)
Truck Traffic15%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2021
Inspection FrequencyEvery 24 months
OwnerArmy
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberDAPTRAJAC0N0531

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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