US Bridges

S-37-184 over Coneross Creek

Fair

Oconee County, South Carolina · 7 MI SE Seneca · Structure no. 000000000003719

Built
1961
64 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
644 ft
9 main spans
Daily traffic
2,100
2023 count
Owner
State
State Highway Agency

About this bridge

S-37-184 over Coneross Creek is a prestressed concrete stringer/multi-beam or girder carrying S-37-184 over Coneross Creek in Oconee County, South Carolina. It was built in 1961, so it is 64 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 6 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 2,100 vehicles a day, roughly 4% of them trucks, projected to reach 3,066 by 2043. The structure is 644 ft (196.2 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesS-37-184
CrossesConeross Creek
Location7 MI SE Seneca
RouteState Highway 184
Coordinates34.59584, -82.90733
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating69.7 US tons
Inventory rating27.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans9
Design loadHS 15
Structure length644 ft (196.2 m)
Longest span72 ft (21.9 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2023)
Projected traffic3,066 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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-37-184 over Coneross Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is S-37-184 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 March 2023.

How much traffic does S-37-184 over Coneross Creek carry?

About 2,100 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is S-37-184 over Coneross Creek?

The structure is 644 ft (196.2 m) long with a longest span of 72 ft (21.9 m) and a deck 28 ft wide.

Who owns S-37-184 over Coneross Creek?

It is owned by the State Highway Agency.