US Bridges

S-37-50 over Coneross Creek

FairPosted for load

Oconee County, South Carolina · 4 MI SW Seneca · Structure no. 000000000003945

Built
1962
63 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
105 ft
7 main spans
Daily traffic
2,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-50 over Coneross Creek is a concrete slab carrying S-37-50 over Coneross Creek in Oconee County, South Carolina. It was built in 1962, so it is 63 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 2,500 vehicles a day, roughly 2% of them trucks, projected to reach 3,650 by 2043. The structure is 105 ft (32 m) long and 28 ft wide.

CarriesS-37-50
CrossesConeross Creek
Location4 MI SW Seneca
RouteState Highway 50
Coordinates34.65306, -83.005
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.6 US tons
Inventory rating20 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadH 10
Structure length105 ft (32 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 traffic2,500 (2023)
Projected traffic3,650 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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$615,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-37-50 over Coneross Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is S-37-50 over Coneross 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 February 2024.

How much traffic does S-37-50 over Coneross Creek carry?

About 2,500 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is S-37-50 over Coneross Creek?

The structure is 105 ft (32 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns S-37-50 over Coneross Creek?

It is owned by the State Highway Agency.