US Bridges

C-38-1230 over Unnamed Canal

FairPosted for load

Orangeburg County, South Carolina · 4 MI N of Bowman · Structure no. 000000000009763

Built
1959
66 years old
Condition
Fair
inspected November 2023
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
200
2023 count
Owner
County
County Highway Agency

About this bridge

C-38-1230 over Unnamed Canal is a concrete slab carrying C-38-1230 over Unnamed Canal in Orangeburg County, South Carolina. It was built in 1959, so it is 66 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 200 vehicles a day, roughly 5% of them trucks, projected to reach 256 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesC-38-1230
CrossesUnnamed Canal
Location4 MI N of Bowman
RouteCounty Highway 1230
CountyOrangeburg County
StateSouth Carolina
Coordinates33.40878, -80.67406
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating13.6 US tons
Inventory rating6.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadH 10
Structure length30 ft (9.1 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 traffic200 (2023)
Projected traffic256 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-38-1230 over Unnamed Canal built?

It was built in 1959, making it 66 years old in 2025.

What condition is C-38-1230 over Unnamed Canal 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 November 2023.

How much traffic does C-38-1230 over Unnamed Canal carry?

About 200 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-38-1230 over Unnamed Canal?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns C-38-1230 over Unnamed Canal?

It is owned by the County Highway Agency.