Structure 9450 · Marlboro County, SC

S-35-34 over Little Pee Dee Overflow

Carries S-35-34 over Little Pee Dee Overflow, 1 Mi E Mccoll.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 8 of 9.

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructuresets the rating8/9 · Very Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT66 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

66 ft end to end, longest span 33 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.

Built199927 years old
Length65.9 ft20.1 m
Daily traffic700counted 2023
Last inspectedMarch 2023every 24 months

Location

StateSouth Carolina
CountyMarlboro
Location1 Mi E Mccoll
CarriesS-35-34
CrossesLittle Pee Dee Overflow
Coordinates34.66591, -79.50564

Physical Characteristics

MaterialConcrete Continuous
DesignSlab
Total Length65.9 ft (20.1 m)
Max Span33.1 ft (10.1 m)
Deck Width36.7 ft (11.2 m)
Deck Area225.1 sq m
Main Spans2
Year Built1999

Traffic

Avg Daily Traffic700 (2023)
Truck Traffic3%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMarch 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000000009450

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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