US Bridges

US 176 over Southern Railroad

Fair

Calhoun County, South Carolina · 2MI S of ST Matthews · Structure no. 000000000006051

Built
1972
53 years old, rebuilt 1991
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
142 ft
3 main spans
Daily traffic
2,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over Southern Railroad is a steel stringer/multi-beam or girder carrying US 176 over Southern Railroad in Calhoun County, South Carolina. It was built in 1972 and reconstructed in 1991, so it is 53 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 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 2,600 vehicles a day, roughly 14% of them trucks, projected to reach 3,796 by 2043. The structure is 142 ft (43.3 m) long and 47 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS 176
CrossesSouthern Railroad
Location2MI S of ST Matthews
RouteU.S. Route 176
Coordinates33.64159, -80.79049
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.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating46.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span47 ft (14.4 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2023)
Projected traffic3,796 by 2043
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 176 over Southern Railroad built?

It was built in 1972, making it 53 years old in 2025. It was reconstructed in 1991.

What condition is US 176 over Southern Railroad 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 July 2024.

How much traffic does US 176 over Southern Railroad carry?

About 2,600 vehicles per day (2023 count), of which roughly 14% are trucks.

How long is US 176 over Southern Railroad?

The structure is 142 ft (43.3 m) long with a longest span of 47 ft (14.4 m) and a deck 47 ft wide.

Who owns US 176 over Southern Railroad?

It is owned by the State Highway Agency.