US Bridges

S-28-775 over Twenty Five Mile Creek

PoorPosted for load

Kershaw County, South Carolina · 3 MI N of Elgin · Structure no. 000000000006716

Built
1975
50 years old
Condition
Poor
inspected September 2024
Type
Slab
Concrete
Length
105 ft
7 main spans
Daily traffic
250
2023 count
Owner
State
State Highway Agency

About this bridge

S-28-775 over Twenty Five Mile Creek is a concrete slab carrying S-28-775 over Twenty Five Mile Creek in Kershaw 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 250 vehicles a day, roughly 5% of them trucks, projected to reach 320 by 2043. The structure is 105 ft (32 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesS-28-775
CrossesTwenty Five Mile Creek
Location3 MI N of Elgin
RouteState Highway 775
Coordinates34.21894, -80.8065
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 rating41.1 US tons
Inventory rating30 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 10
Structure length105 ft (32 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 traffic250 (2023)
Projected traffic320 by 2043
Trucks5%
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 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-28-775 over Twenty Five Mile Creek built?

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

What condition is S-28-775 over Twenty Five Mile Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in September 2024.

How much traffic does S-28-775 over Twenty Five Mile Creek carry?

About 250 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-28-775 over Twenty Five Mile Creek?

The structure is 105 ft (32 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-28-775 over Twenty Five Mile Creek?

It is owned by the State Highway Agency.