US Bridges

S-4-71 over Salem Creek

Good

Anderson County, South Carolina · 6.2MI NW Anderson · Structure no. 000000000003799

Built
1962
63 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
3,200
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-71 over Salem Creek is a concrete culvert carrying S-4-71 over Salem Creek in Anderson County, South Carolina. It was built in 1962, so it is 63 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,200 vehicles a day, roughly 6% of them trucks, projected to reach 3,936 by 2043. The structure is 23 ft (7 m) long and 150 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesS-4-71
CrossesSalem Creek
Location6.2MI NW Anderson
RouteState Highway 71
Coordinates34.54399, -82.74464
Functional classUrban Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating105.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width150 ft (45.7 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,200 (2023)
Projected traffic3,936 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-71 over Salem Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is S-4-71 over Salem Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does S-4-71 over Salem Creek carry?

About 3,200 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-4-71 over Salem Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m) and a deck 150 ft wide.

Who owns S-4-71 over Salem Creek?

It is owned by the State Highway Agency.