US Bridges

S-1-40 over Calhoun Creek

Fair

Abbeville County, South Carolina · 8.5MI SW Abbeville · Structure no. 000000000001985

Built
1954
71 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
154 ft
11 main spans
Daily traffic
125
2023 count
Owner
State
State Highway Agency

About this bridge

S-1-40 over Calhoun Creek is a concrete slab carrying S-1-40 over Calhoun Creek in Abbeville County, South Carolina. It was built in 1954, so it is 71 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 125 vehicles a day, roughly 8% of them trucks, projected to reach 174 by 2043. The structure is 154 ft (46.9 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-1-40
CrossesCalhoun Creek
Location8.5MI SW Abbeville
RouteState Highway 40
Coordinates34.08342, -82.47624
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.3 US tons
Inventory rating20.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans11
Design loadH 10
Structure length154 ft (46.9 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic174 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-1-40 over Calhoun Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is S-1-40 over Calhoun 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 September 2023.

How much traffic does S-1-40 over Calhoun Creek carry?

About 125 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is S-1-40 over Calhoun Creek?

The structure is 154 ft (46.9 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns S-1-40 over Calhoun Creek?

It is owned by the State Highway Agency.