US Bridges

S-12-797 over Br Bull Run Creek

Fair

Chester County, South Carolina · 5.3 MI SE of Chester · Structure no. 000000000008147

Built
1988
37 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete
Length
90 ft
6 main spans
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-12-797 over Br Bull Run Creek is a concrete slab carrying S-12-797 over Br Bull Run Creek in Chester County, South Carolina. It was built in 1988, so it is 37 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 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 90 ft (27.4 m) long and 33 ft wide.

CarriesS-12-797
CrossesBr Bull Run Creek
Location5.3 MI SE of Chester
RouteState Highway 797
Coordinates34.65503, -81.14633
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43.2 US tons
Inventory rating26.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length90 ft (27.4 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
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 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-12-797 over Br Bull Run Creek built?

It was built in 1988, making it 37 years old in 2025.

What condition is S-12-797 over Br Bull Run 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 December 2024.

How much traffic does S-12-797 over Br Bull Run Creek carry?

About 150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-12-797 over Br Bull Run Creek?

The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-12-797 over Br Bull Run Creek?

It is owned by the State Highway Agency.