Structure 10744 · Cherokee County, SC

Sc 198 over I-85

Carries Sc 198 over I-85, 1 Mi N Of Blacksburg.

Overall conditionGood

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

How ratings work
Decksets the rating8/9 · Very Good
Superstructuresets the rating8/9 · Very Good
Substructure9/9 · Excellent
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT218 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9 · sets the ratingSuperstructure 8/9 · sets the ratingSubstructure 9/9

218 ft end to end, longest span 109 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 multi-beam bridge.

Built20224 years old
Length217.8 ft66.4 m
Daily traffic2,400counted 2023
Last inspectedAugust 2023every 24 months

Location

StateSouth Carolina
CountyCherokee
Location1 Mi N Of Blacksburg
CarriesSc 198
CrossesI-85
Coordinates35.14098, -81.50847

Physical Characteristics

MaterialPrestressed Concrete Continuous
DesignStringer/Multi-beam
Total Length217.8 ft (66.4 m)
Max Span108.9 ft (33.2 m)
Deck Width73.2 ft (22.3 m)
Deck Area1480.7 sq m
Main Spans2
Year Built2022

Traffic

Avg Daily Traffic2,400 (2023)
Truck Traffic13%
Lanes On Bridge2
Lanes Under Bridge6

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000010744

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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