US Bridges

S-37-36 over Coneross Creek

PoorPosted for load

Oconee County, South Carolina · 3.5 MI SW Walhalla · Structure no. 000000000006342

Built
1973
52 years old
Condition
Poor
inspected February 2025
Type
Channel Beam
Prestressed Concrete
Length
120 ft
4 main spans
Daily traffic
1,750
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-36 over Coneross Creek is a prestressed concrete channel beam carrying S-37-36 over Coneross Creek in Oconee County, South Carolina. It was built in 1973, so it is 52 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 4 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 1,750 vehicles a day, roughly 10% of them trucks, projected to reach 2,555 by 2043. The structure is 120 ft (36.6 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-37-36
CrossesConeross Creek
Location3.5 MI SW Walhalla
RouteState Highway 36
Coordinates34.73767, -83.11313
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2025
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating15.3 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length120 ft (36.6 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,750 (2023)
Projected traffic2,555 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$687,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-37-36 over Coneross Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is S-37-36 over Coneross Creek 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 February 2025.

How much traffic does S-37-36 over Coneross Creek carry?

About 1,750 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-37-36 over Coneross Creek?

The structure is 120 ft (36.6 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns S-37-36 over Coneross Creek?

It is owned by the State Highway Agency.