US Bridges

Sc 8 over U.S. 29

Fair

Anderson County, South Carolina · 3.8MI NW of Williamston · Structure no. 000000000002641

Built
1958
67 years old, rebuilt 1990
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
220 ft
4 main spans
Daily traffic
8,000
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 8 over U.S. 29 is a steel stringer/multi-beam or girder carrying Sc 8 over U.S. 29 in Anderson County, South Carolina. It was built in 1958 and reconstructed in 1990, so it is 67 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 8,000 vehicles a day, roughly 15% of them trucks, projected to reach 11,600 by 2043. The structure is 220 ft (67.1 m) long and 31 ft wide.

Location

Open in Google Maps
CarriesSc 8
CrossesU.S. 29
Location3.8MI NW of Williamston
RouteState Highway 8
CountyAnderson County
StateSouth Carolina
Coordinates34.66579, -82.51521
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length220 ft (67.1 m)
Longest span55 ft (16.8 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,000 (2023)
Projected traffic11,600 by 2043
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 8 over U.S. 29 built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1990.

What condition is Sc 8 over U.S. 29 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2024.

How much traffic does Sc 8 over U.S. 29 carry?

About 8,000 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is Sc 8 over U.S. 29?

The structure is 220 ft (67.1 m) long with a longest span of 55 ft (16.8 m) and a deck 31 ft wide.

Who owns Sc 8 over U.S. 29?

It is owned by the State Highway Agency.