Structure 320 · Anderson County, SC

US 76 over Norfolk Southern Rr

Carries US 76 over Norfolk Southern Rr, 4.2mi SE Of Belton.

Overall conditionPoor

Set by its lowest-rated component: Superstructure and Substructure at 4 of 9.

How ratings work
Deck5/9 · Fair
Superstructuresets the rating4/9 · Poor
Substructuresets the rating4/9 · Poor
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT173 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 4/9 · sets the ratingSubstructure 4/9 · sets the rating

173 ft end to end, longest span 53 ft: about 2 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 tee-beam bridge.

Built1929rebuilt 1961
Length172.9 ft52.7 m
Daily traffic7,900counted 2023
Last inspectedMay 2024every 12 months

Location

StateSouth Carolina
CountyAnderson
Location4.2mi SE Of Belton
CarriesUS 76
CrossesNorfolk Southern Rr
Coordinates34.47663, -82.44696

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length172.9 ft (52.7 m)
Max Span53.1 ft (16.2 m)
Deck Width31.5 ft (9.6 m)
Deck Area505.9 sq m
Main Spans5
Year Built1929 (reconstructed 1961)

Traffic

Avg Daily Traffic7,900 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionMay 2024
Inspection FrequencyEvery 12 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000000320

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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