US Bridges

Sc 3 over W. Mill Creek

FairPosted for load

Allendale County, South Carolina · 9MI NW of Allendale · Structure no. 000000000001669

Built
1950
75 years old
Condition
Fair
inspected May 2024
Type
Slab
Concrete
Length
90 ft
6 main spans
Daily traffic
375
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 3 over W. Mill Creek is a concrete slab carrying Sc 3 over W. Mill Creek in Allendale 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 375 vehicles a day, roughly 22% of them trucks, projected to reach 548 by 2043. The structure is 90 ft (27.4 m) long and 33 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesSc 3
CrossesW. Mill Creek
Location9MI NW of Allendale
RouteState Highway 3
Coordinates33.07752, -81.42329
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.
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 inspectionMay 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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating15.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans6
Design loadH 15
Structure length90 ft (27.4 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 traffic375 (2023)
Projected traffic548 by 2043
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 3 over W. Mill Creek built?

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

What condition is Sc 3 over W. Mill 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 May 2024.

How much traffic does Sc 3 over W. Mill Creek carry?

About 375 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is Sc 3 over W. Mill Creek?

The structure is 90 ft (27.4 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns Sc 3 over W. Mill Creek?

It is owned by the State Highway Agency.