US Bridges

S-4-81 over Broad Mouth Creek

Good

Anderson County, South Carolina · 2.5 MI NE Honea Path · Structure no. 000000000007961

Built
1986
39 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
165 ft
3 main spans
Daily traffic
425
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-81 over Broad Mouth Creek is a prestressed concrete stringer/multi-beam or girder carrying S-4-81 over Broad Mouth Creek in Anderson County, South Carolina. It was built in 1986, so it is 39 years old, younger 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 425 vehicles a day, roughly 4% of them trucks, projected to reach 591 by 2043. The structure is 165 ft (50.3 m) long and 35 ft wide.

CarriesS-4-81
CrossesBroad Mouth Creek
Location2.5 MI NE Honea Path
RouteState Highway 81
Coordinates34.46763, -82.35433
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating69.3 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length165 ft (50.3 m)
Longest span55 ft (16.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic425 (2023)
Projected traffic591 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-81 over Broad Mouth Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is S-4-81 over Broad Mouth 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 November 2024.

How much traffic does S-4-81 over Broad Mouth Creek carry?

About 425 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-4-81 over Broad Mouth Creek?

The structure is 165 ft (50.3 m) long with a longest span of 55 ft (16.8 m) and a deck 35 ft wide.

Who owns S-4-81 over Broad Mouth Creek?

It is owned by the State Highway Agency.