US Bridges

US 76 over Catfish Branch

Poor

Marion County, South Carolina · 1 MI W of Marion · Structure no. 000000000001204

Built
1941
84 years old, rebuilt 1975
Condition
Poor
inspected June 2024
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
5,900
2023 count
Owner
State
State Highway Agency

About this bridge

US 76 over Catfish Branch is a concrete continuous culvert carrying US 76 over Catfish Branch in Marion County, South Carolina. It was built in 1941 and reconstructed in 1975, so it is 84 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,900 vehicles a day, roughly 6% of them trucks, projected to reach 9,204 by 2043. The structure is 32 ft (9.7 m) long and 90 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 76
CrossesCatfish Branch
Location1 MI W of Marion
RouteU.S. Route 76
Coordinates34.17205, -79.41741
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 20
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width90 ft (27.4 m)
Roadway width65 ft (19.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2023)
Projected traffic9,204 by 2043
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$266,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 76 over Catfish Branch built?

It was built in 1941, making it 84 years old in 2025. It was reconstructed in 1975.

What condition is US 76 over Catfish Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does US 76 over Catfish Branch carry?

About 5,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 76 over Catfish Branch?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 90 ft wide.

Who owns US 76 over Catfish Branch?

It is owned by the State Highway Agency.