US Bridges

S-37-91 over Colonel Fork Creek

Fair

Oconee County, South Carolina · 2 MI NW Westminster · Structure no. 000000000005994

Built
1971
54 years old
Condition
Fair
inspected February 2025
Type
Slab
Concrete
Length
90 ft
6 main spans
Daily traffic
500
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-91 over Colonel Fork Creek is a concrete slab carrying S-37-91 over Colonel Fork Creek in Oconee County, South Carolina. It was built in 1971, so it is 54 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 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 500 vehicles a day, roughly 7% of them trucks, projected to reach 730 by 2043. The structure is 90 ft (27.4 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-37-91
CrossesColonel Fork Creek
Location2 MI NW Westminster
RouteState Highway 91
Coordinates34.69122, -83.10624
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 10
Structure length90 ft (27.4 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2023)
Projected traffic730 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-37-91 over Colonel Fork Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is S-37-91 over Colonel Fork 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 February 2025.

How much traffic does S-37-91 over Colonel Fork Creek carry?

About 500 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-37-91 over Colonel Fork Creek?

The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-37-91 over Colonel Fork Creek?

It is owned by the State Highway Agency.