US Bridges

S-38-1603 over Trib to Caw Caw Swamp

Fair

Orangeburg County, South Carolina · 4MI NE Orangeburg · Structure no. 000000000006360

Built
1973
52 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
45 ft
3 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

S-38-1603 over Trib to Caw Caw Swamp is a concrete slab carrying S-38-1603 over Trib to Caw Caw Swamp in Orangeburg County, South Carolina. It was built in 1973, so it is 52 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 2,300 vehicles a day, roughly 5% of them trucks, projected to reach 2,944 by 2043. The structure is 45 ft (13.7 m) long and 33 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesS-38-1603
CrossesTrib to Caw Caw Swamp
Location4MI NE Orangeburg
RouteState Highway 1603
CountyOrangeburg County
StateSouth Carolina
Coordinates33.55532, -80.83211
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 protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadH 10
Structure length45 ft (13.7 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,944 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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-38-1603 over Trib to Caw Caw Swamp built?

It was built in 1973, making it 52 years old in 2025.

What condition is S-38-1603 over Trib to Caw Caw Swamp 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-38-1603 over Trib to Caw Caw Swamp carry?

About 2,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-38-1603 over Trib to Caw Caw Swamp?

The structure is 45 ft (13.7 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-38-1603 over Trib to Caw Caw Swamp?

It is owned by the State Highway Agency.