US Bridges

Sc 125 over Miller Branch

Fair

Allendale County, South Carolina · 7MI W of Allendale · Structure no. 000000000000475

Built
1931
94 years old, rebuilt 1975
Condition
Fair
inspected May 2024
Type
Culvert
Concrete
Length
32 ft
3 main spans
Daily traffic
1,200
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 125 over Miller Branch is a concrete culvert carrying Sc 125 over Miller Branch in Allendale County, South Carolina. It was built in 1931 and reconstructed in 1975, so it is 94 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 1,200 vehicles a day, roughly 21% of them trucks, projected to reach 1,752 by 2043. The structure is 32 ft (9.7 m) long and 47 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesSc 125
CrossesMiller Branch
Location7MI W of Allendale
RouteState Highway 125
CountyAllendale County
StateSouth Carolina
Coordinates33.06879, -81.40738
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 15
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width47 ft (14.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2023)
Projected traffic1,752 by 2043
Trucks21%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 125 over Miller Branch built?

It was built in 1931, making it 94 years old in 2025. It was reconstructed in 1975.

What condition is Sc 125 over Miller Branch 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 125 over Miller Branch carry?

About 1,200 vehicles per day (2023 count), of which roughly 21% are trucks.

How long is Sc 125 over Miller Branch?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 47 ft wide.

Who owns Sc 125 over Miller Branch?

It is owned by the State Highway Agency.