Structure 9666 · Spartanburg County, SC

Sc 80 over South Tyger River

Carries Sc 80 over South Tyger River, 2 Mi E Of Greer.

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 overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT459 FT OVERALL100 FT0ELEVATION · LENGTHS TO SCALE
Deck 8/9Superstructure 8/9Substructure 8/9

459 ft end to end, longest span 92 ft: about 6 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.

Built200125 years old
Length459.0 ft139.9 m
Daily traffic7,900counted 2023
Last inspectedJanuary 2024every 24 months

Location

StateSouth Carolina
CountySpartanburg
Location2 Mi E Of Greer
CarriesSc 80
CrossesSouth Tyger River
Coordinates34.94833, -82.17917

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length459.0 ft (139.9 m)
Max Span91.9 ft (28 m)
Deck Width46.3 ft (14.1 m)
Deck Area1972.6 sq m
Main Spans5
Year Built2001

Traffic

Avg Daily Traffic7,900 (2023)
Truck Traffic9%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical5 — Stable for scour
Structure Number000000000009666

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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