Structure 3850 · Dillon County, SC

S-17-22 over Little Pee Dee River

Carries S-17-22 over Little Pee Dee River, 7mi SE Dillon.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructuresets the rating6/9 · Satisfactory
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT225 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

225 ft end to end, longest span 15 ft: about 3 semi-trucks nose to tail. 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.

Built1962rebuilt 1993
Length225.1 ft68.6 m
Daily traffic450counted 2023
Last inspectedFebruary 2025every 24 months

Location

StateSouth Carolina
CountyDillon
Location7mi SE Dillon
CarriesS-17-22
CrossesLittle Pee Dee River
Coordinates34.31737, -79.29143

Physical Characteristics

MaterialConcrete
DesignSlab
Total Length225.1 ft (68.6 m)
Max Span15.1 ft (4.6 m)
Deck Width27.6 ft (8.4 m)
Deck Area576.2 sq m
Main Spans15
Year Built1962 (reconstructed 1993)

Traffic

Avg Daily Traffic450 (2023)
Truck Traffic8%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalUnknown
Structure Number000000000003850

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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