US Bridges

S-32-91 over Twelvemile Creek

Fair

Lexington County, South Carolina · Town of Lexington · Structure no. 000000000006726

Built
1975
50 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
150 ft
5 main spans
Daily traffic
5,900
2023 count
Owner
State
State Highway Agency

About this bridge

S-32-91 over Twelvemile Creek is a concrete tee beam carrying S-32-91 over Twelvemile Creek in Lexington County, South Carolina. It was built in 1975, so it is 50 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 5 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 5,900 vehicles a day, roughly 6% of them trucks, projected to reach 7,552 by 2043. The structure is 150 ft (45.7 m) long and 39 ft wide.

CarriesS-32-91
CrossesTwelvemile Creek
LocationTown of Lexington
RouteState Highway 91
Coordinates33.9697, -81.243
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating32.2 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length150 ft (45.7 m)
Longest span30 ft (9.1 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2023)
Projected traffic7,552 by 2043
Trucks6%
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-32-91 over Twelvemile Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is S-32-91 over Twelvemile 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 October 2024.

How much traffic does S-32-91 over Twelvemile Creek carry?

About 5,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-32-91 over Twelvemile Creek?

The structure is 150 ft (45.7 m) long with a longest span of 30 ft (9.1 m) and a deck 39 ft wide.

Who owns S-32-91 over Twelvemile Creek?

It is owned by the State Highway Agency.