US Bridges

S-32-77 over Twelve Mile Creek

Good

Lexington County, South Carolina · 3 MI SW Lexington · Structure no. 000000000007005

Built
1977
48 years old
Condition
Good
inspected July 2024
Type
Slab
Concrete
Length
125 ft
5 main spans
Daily traffic
7,400
2023 count
Owner
State
State Highway Agency

About this bridge

S-32-77 over Twelve Mile Creek is a concrete slab carrying S-32-77 over Twelve Mile Creek in Lexington 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 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 7,400 vehicles a day, roughly 4% of them trucks, projected to reach 11,914 by 2043. The structure is 125 ft (38.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-32-77
CrossesTwelve Mile Creek
Location3 MI SW Lexington
RouteState Highway 77
Coordinates33.95293, -81.28022
Functional classUrban 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 inspectionJuly 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 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 rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length125 ft (38.1 m)
Longest span25 ft (7.6 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,400 (2023)
Projected traffic11,914 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-32-77 over Twelve Mile Creek built?

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

What condition is S-32-77 over Twelve Mile 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 July 2024.

How much traffic does S-32-77 over Twelve Mile Creek carry?

About 7,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-32-77 over Twelve Mile Creek?

The structure is 125 ft (38.1 m) long with a longest span of 25 ft (7.6 m) and a deck 43 ft wide.

Who owns S-32-77 over Twelve Mile Creek?

It is owned by the State Highway Agency.