US Bridges

US 178 over CSX RR (aband)

Fair

Greenwood County, South Carolina · 8.2 MI NW of Greenwood · Structure no. 000000000000791

Built
1937
88 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
186 ft
3 main spans
Daily traffic
4,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 178 over CSX RR (aband) is a steel stringer/multi-beam or girder carrying US 178 over CSX RR (aband) in Greenwood County, South Carolina. It was built in 1937, so it is 88 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 4,300 vehicles a day, roughly 10% of them trucks, projected to reach 7,482 by 2043. The structure is 186 ft (56.7 m) long and 40 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 178
CrossesCSX RR (aband)
Location8.2 MI NW of Greenwood
RouteU.S. Route 178
Coordinates34.28763, -82.24616
Functional classRural Principal Arterial - Other

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 inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.1 US tons
Inventory rating22.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length186 ft (56.7 m)
Longest span61 ft (18.6 m)
Deck width40 ft (12.1 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,300 (2023)
Projected traffic7,482 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 178 over CSX RR (aband) built?

It was built in 1937, making it 88 years old in 2025.

What condition is US 178 over CSX RR (aband) 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 March 2024.

How much traffic does US 178 over CSX RR (aband) carry?

About 4,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 178 over CSX RR (aband)?

The structure is 186 ft (56.7 m) long with a longest span of 61 ft (18.6 m) and a deck 40 ft wide.

Who owns US 178 over CSX RR (aband)?

It is owned by the State Highway Agency.