Structure 117 · Spartanburg County, SC

US 221 over Ns Rr

Carries US 221 over Ns Rr, City Of Spartanburg.

Overall conditionFair

Set by its lowest-rated component: Deck and Superstructure and Substructure at 5 of 9.

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT113 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

113 ft end to end, longest span 35 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 tee-beam bridge.

Built1920rebuilt 1935
Length112.9 ft34.4 m
Daily traffic18,300counted 2023
Last inspectedNovember 2023every 24 months

Location

StateSouth Carolina
CountySpartanburg
LocationCity Of Spartanburg
CarriesUS 221
CrossesNs Rr
Coordinates34.95499, -81.93521

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length112.9 ft (34.4 m)
Max Span35.1 ft (10.7 m)
Deck Width80.1 ft (24.4 m)
Deck Area839.4 sq m
Main Spans3
Year Built1920 (reconstructed 1935)

Traffic

Avg Daily Traffic18,300 (2023)
Truck Traffic3%
Lanes On Bridge4

Inspection & Ownership

Last InspectionNovember 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour CriticalNot applicable
Structure Number000000000000117

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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