US Bridges

US 76 Wbl over Coneross Creek

Good

Oconee County, South Carolina · 5.0 MI W of Seneca · Structure no. 000000000007495

Built
1981
44 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
240 ft
6 main spans
Daily traffic
7,150
2023 count
Owner
State
State Highway Agency

About this bridge

US 76 Wbl over Coneross Creek is a prestressed concrete stringer/multi-beam or girder carrying US 76 Wbl over Coneross Creek in Oconee County, South Carolina. It was built in 1981, so it is 44 years old, younger than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,150 vehicles a day, roughly 5% of them trucks, projected to reach 12,441 by 2043. The structure is 240 ft (73.2 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 76 Wbl
CrossesConeross Creek
Location5.0 MI W of Seneca
RouteU.S. Route 76
Coordinates34.66747, -83.02877
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.8 US tons
Inventory rating53.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length240 ft (73.2 m)
Longest span40 ft (12.2 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,150 (2023)
Projected traffic12,441 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 76 Wbl over Coneross Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is US 76 Wbl over Coneross Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does US 76 Wbl over Coneross Creek carry?

About 7,150 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US 76 Wbl over Coneross Creek?

The structure is 240 ft (73.2 m) long with a longest span of 40 ft (12.2 m) and a deck 43 ft wide.

Who owns US 76 Wbl over Coneross Creek?

It is owned by the State Highway Agency.