US Bridges

S-4-71 over Five Mile Creek

Fair

Anderson County, South Carolina · 3.5MI NW Anderson · Structure no. 000000000006956

Built
1977
48 years old
Condition
Fair
inspected January 2025
Type
Channel Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
4,400
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-71 over Five Mile Creek is a prestressed concrete channel beam carrying S-4-71 over Five Mile Creek in Anderson County, South Carolina. It was built in 1977, so it is 48 years old, younger 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 6 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 4,400 vehicles a day, roughly 4% of them trucks, projected to reach 5,412 by 2043. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-4-71
CrossesFive Mile Creek
Location3.5MI NW Anderson
RouteState Highway 71
Coordinates34.51838, -82.70643
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating47.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+2 approach)
Design loadH 15
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,400 (2023)
Projected traffic5,412 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Five Mile Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is S-4-71 over Five Mile Creek 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 January 2025.

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

About 4,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-4-71 over Five Mile Creek?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns S-4-71 over Five Mile Creek?

It is owned by the State Highway Agency.