US Bridges

Sc 905 over Simpson Creek

Fair

Horry County, South Carolina · 10.5MI S of Loris · Structure no. 000000000008006

Built
1986
39 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
120 ft
4 main spans
Daily traffic
7,200
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 905 over Simpson Creek is a concrete slab carrying Sc 905 over Simpson Creek in Horry County, South Carolina. It was built in 1986, so it is 39 years old, younger 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 7,200 vehicles a day, roughly 8% of them trucks, projected to reach 10,512 by 2043. The structure is 120 ft (36.6 m) long and 47 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSc 905
CrossesSimpson Creek
Location10.5MI S of Loris
RouteState Highway 905
Coordinates33.91506, -78.8124
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating43.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,200 (2023)
Projected traffic10,512 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 905 over Simpson Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Sc 905 over Simpson 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 905 over Simpson Creek carry?

About 7,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sc 905 over Simpson Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 47 ft wide.

Who owns Sc 905 over Simpson Creek?

It is owned by the State Highway Agency.