US Bridges

S-37-129 over Oconee Creek

FairPosted for load

Oconee County, South Carolina · 7 MI NE Walhalla · Structure no. 000000000003066

Built
1959
66 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete
Length
150 ft
10 main spans
Daily traffic
800
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-129 over Oconee Creek is a concrete slab carrying S-37-129 over Oconee Creek in Oconee County, South Carolina. It was built in 1959, so it is 66 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 800 vehicles a day, roughly 4% of them trucks, projected to reach 1,024 by 2043. The structure is 150 ft (45.7 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-37-129
CrossesOconee Creek
Location7 MI NE Walhalla
RouteState Highway 129
CountyOconee County
StateSouth Carolina
Coordinates34.84061, -82.98923
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans10
Design loadH 10
Structure length150 ft (45.7 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic1,024 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-37-129 over Oconee Creek built?

It was built in 1959, making it 66 years old in 2025.

What condition is S-37-129 over Oconee Creek 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 2023.

How much traffic does S-37-129 over Oconee Creek carry?

About 800 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-37-129 over Oconee Creek?

The structure is 150 ft (45.7 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-37-129 over Oconee Creek?

It is owned by the State Highway Agency.