US Bridges

Sc 303 over Ashepoo River

Fair

Colleton County, South Carolina · 10.0 MI S of Waltbr · Structure no. 000000000006644

Built
1975
50 years old
Condition
Fair
inspected January 2024
Type
Slab
Concrete
Length
210 ft
7 main spans
Daily traffic
1,700
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 303 over Ashepoo River is a concrete slab carrying Sc 303 over Ashepoo River in Colleton 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 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 1,700 vehicles a day, roughly 6% of them trucks, projected to reach 2,703 by 2043. The structure is 210 ft (64 m) long and 47 ft wide. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesSc 303
CrossesAshepoo River
Location10.0 MI S of Waltbr
RouteState Highway 303
CountyColleton County
StateSouth Carolina
Coordinates32.76583, -80.62417
Functional classRural Minor Arterial

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.5 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.3 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2023)
Projected traffic2,703 by 2043
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 Sc 303 over Ashepoo River built?

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

What condition is Sc 303 over Ashepoo River 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 303 over Ashepoo River carry?

About 1,700 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Sc 303 over Ashepoo River?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Sc 303 over Ashepoo River?

It is owned by the State Highway Agency.