US Bridges

US 29 over Trib to Enoree River

Fair

Greenville County, South Carolina · 3.5 MI W of Greer · Structure no. 000000000000936

Built
1939
86 years old, rebuilt 1974
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
47,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 29 over Trib to Enoree River is a concrete culvert carrying US 29 over Trib to Enoree River in Greenville County, South Carolina. It was built in 1939 and reconstructed in 1974, so it is 86 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.

It carries about 47,300 vehicles a day, roughly 5% of them trucks, projected to reach 61,017 by 2043. The structure is 27 ft (8.2 m) long and 150 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 29
CrossesTrib to Enoree River
Location3.5 MI W of Greer
RouteU.S. Route 29
Coordinates34.93127, -82.28962
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating30.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width150 ft (45.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47,300 (2023)
Projected traffic61,017 by 2043
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$90,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 29 over Trib to Enoree River built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1974.

What condition is US 29 over Trib to Enoree River 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 September 2024.

How much traffic does US 29 over Trib to Enoree River carry?

About 47,300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 29 over Trib to Enoree River?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m) and a deck 150 ft wide.

Who owns US 29 over Trib to Enoree River?

It is owned by the State Highway Agency.