US Bridges

C-19-311 over S.Edisto River

FairPosted for load

Edgefield County, South Carolina · 10.0 MI E of Edgefield · Structure no. 000000000006660

Built
1975
50 years old, rebuilt 1998
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
25
2023 count
Owner
County
County Highway Agency

About this bridge

C-19-311 over S.Edisto River is a steel stringer/multi-beam or girder carrying C-19-311 over S.Edisto River in Edgefield County, South Carolina. It was built in 1975 and reconstructed in 1998, 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 32 by 2043. The structure is 33 ft (10.1 m) long and 16 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesC-19-311
CrossesS.Edisto River
Location10.0 MI E of Edgefield
RouteCounty Highway 311
CountyEdgefield County
StateSouth Carolina
Coordinates33.7902, -81.75426
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating21.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width16 ft (4.9 m)
Roadway width15 ft (4.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2023)
Projected traffic32 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$198,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-19-311 over S.Edisto River built?

It was built in 1975, making it 50 years old in 2025. It was reconstructed in 1998.

What condition is C-19-311 over S.Edisto 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 February 2024.

How much traffic does C-19-311 over S.Edisto River carry?

About 25 vehicles per day (2023 count).

How long is C-19-311 over S.Edisto River?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 16 ft wide.

Who owns C-19-311 over S.Edisto River?

It is owned by the County Highway Agency.