US Bridges

US 176 over RR NS

Fair

Richland County, South Carolina · 2 MI NW of Cola · Structure no. 000000000008662

Built
1993
32 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
118 ft
1 main span
Daily traffic
27,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over RR NS is a steel stringer/multi-beam or girder carrying US 176 over RR NS in Richland County, South Carolina. It was built in 1993, so it is 32 years old, younger 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 27,000 vehicles a day, roughly 2% of them trucks, projected to reach 42,390 by 2043. The structure is 118 ft (36 m) long and 76 ft wide.

CarriesUS 176
CrossesRR NS
Location2 MI NW of Cola
RouteU.S. Route 176
Coordinates34.02683, -81.06424
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.8 US tons
Inventory rating48.2 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20 + Mod
Structure length118 ft (36 m)
Longest span58 ft (17.7 m)
Deck width76 ft (23.2 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,000 (2023)
Projected traffic42,390 by 2043
Trucks2%
Lanes on structure4
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 NS built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 176 over RR NS 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 NS carry?

About 27,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is US 176 over RR NS?

The structure is 118 ft (36 m) long with a longest span of 58 ft (17.7 m) and a deck 76 ft wide.

Who owns US 176 over RR NS?

It is owned by the State Highway Agency.