US Bridges

Sc 45 over Echaw Creek

FairPosted for load

Berkeley County, South Carolina · 8MI SE Jameston · Structure no. 000000000001679

Built
1950
75 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
85 ft
6 main spans
Daily traffic
400
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 45 over Echaw Creek is a concrete slab carrying Sc 45 over Echaw Creek in Berkeley County, South Carolina. It was built in 1950, so it is 75 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 400 vehicles a day, roughly 18% of them trucks, projected to reach 584 by 2043. The structure is 85 ft (25.9 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSc 45
CrossesEchaw Creek
Location8MI SE Jameston
RouteState Highway 45
Coordinates33.19462, -79.60703
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 10
Structure length85 ft (25.9 m)
Longest span14 ft (4.4 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2023)
Projected traffic584 by 2043
Trucks18%
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 Sc 45 over Echaw Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Sc 45 over Echaw 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 2024.

How much traffic does Sc 45 over Echaw Creek carry?

About 400 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Sc 45 over Echaw Creek?

The structure is 85 ft (25.9 m) long with a longest span of 14 ft (4.4 m) and a deck 26 ft wide.

Who owns Sc 45 over Echaw Creek?

It is owned by the State Highway Agency.