US Bridges

Sc 145 over Thompson Creek

Fair

Chesterfield County, South Carolina · Chesterfield City Limits · Structure no. 000000000000398

Built
1930
95 years old, rebuilt 1967
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
200 ft
5 main spans
Daily traffic
3,300
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 145 over Thompson Creek is a concrete tee beam carrying Sc 145 over Thompson Creek in Chesterfield County, South Carolina. It was built in 1930 and reconstructed in 1967, so it is 95 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 3,300 vehicles a day, roughly 13% of them trucks, projected to reach 4,818 by 2043. The structure is 200 ft (61 m) long and 60 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSc 145
CrossesThompson Creek
LocationChesterfield City Limits
RouteState Highway 145
Coordinates34.74259, -80.08941
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 inspectionJanuary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length200 ft (61 m)
Longest span50 ft (15.2 m)
Deck width60 ft (18.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2023)
Projected traffic4,818 by 2043
Trucks13%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$60,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 145 over Thompson Creek built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1967.

What condition is Sc 145 over Thompson 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 January 2024.

How much traffic does Sc 145 over Thompson Creek carry?

About 3,300 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Sc 145 over Thompson Creek?

The structure is 200 ft (61 m) long with a longest span of 50 ft (15.2 m) and a deck 60 ft wide.

Who owns Sc 145 over Thompson Creek?

It is owned by the State Highway Agency.