US Bridges

US 176 over RR CSXT

FairPosted for load

Richland County, South Carolina · 2 MI N of Columbia · Structure no. 000000000000746

Built
1936
89 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
99 ft
3 main spans
Daily traffic
6,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over RR CSXT is a concrete tee beam carrying US 176 over RR CSXT in Richland County, South Carolina. It was built in 1936, so it is 89 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 6,100 vehicles a day, roughly 2% of them trucks, projected to reach 9,577 by 2043. The structure is 99 ft (30.2 m) long and 40 ft wide.

Location

Open in Google Maps
CarriesUS 176
CrossesRR CSXT
Location2 MI N of Columbia
RouteU.S. Route 176
CountyRichland County
StateSouth Carolina
Coordinates34.02194, -81.045
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.1 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length99 ft (30.2 m)
Longest span33 ft (10.1 m)
Deck width40 ft (12.1 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,100 (2023)
Projected traffic9,577 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemYes

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 RR CSXT built?

It was built in 1936, making it 89 years old in 2025.

What condition is US 176 over RR CSXT 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 February 2024.

How much traffic does US 176 over RR CSXT carry?

About 6,100 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US 176 over RR CSXT?

The structure is 99 ft (30.2 m) long with a longest span of 33 ft (10.1 m) and a deck 40 ft wide.

Who owns US 176 over RR CSXT?

It is owned by the State Highway Agency.