US Bridges

US 176 over NS RR

PoorPosted for load

Spartanburg County, South Carolina · 1.0 MI E of Inman · Structure no. 000000000002083

Built
1954
71 years old, rebuilt 1978
Condition
Poor
inspected January 2025
Type
Tee Beam
Concrete
Length
165 ft
5 main spans
Daily traffic
19,500
2023 count
Owner
State
State Highway Agency

About this bridge

US 176 over NS RR is a concrete tee beam carrying US 176 over NS RR in Spartanburg County, South Carolina. It was built in 1954 and reconstructed in 1978, so it is 71 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 3 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. Its operating status is: posted for load restriction.

It carries about 19,500 vehicles a day, roughly 5% of them trucks, projected to reach 28,275 by 2043. The structure is 165 ft (50.3 m) long and 76 ft wide.

Location

Open in Google Maps
CarriesUS 176
CrossesNS RR
Location1.0 MI E of Inman
RouteU.S. Route 176
CountySpartanburg County
StateSouth Carolina
Coordinates35.03634, -82.06959
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Last inspectionJanuary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.5 US tons
Inventory rating10.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 20
Structure length165 ft (50.3 m)
Longest span33 ft (10.1 m)
Deck width76 ft (23.3 m)
Roadway width64 ft (19.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2023)
Projected traffic28,275 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.1 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 176 over NS RR built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1978.

What condition is US 176 over NS RR 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 January 2025.

How much traffic does US 176 over NS RR carry?

About 19,500 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 176 over NS RR?

The structure is 165 ft (50.3 m) long with a longest span of 33 ft (10.1 m) and a deck 76 ft wide.

Who owns US 176 over NS RR?

It is owned by the State Highway Agency.