US Bridges

Sc 11 over S.C. 183

Good

Oconee County, South Carolina · 3.5 MI NE of Walhalla · Structure no. 000000000005585

Built
1969
56 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
178 ft
3 main spans
Daily traffic
6,500
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 11 over S.C. 183 is a prestressed concrete stringer/multi-beam or girder carrying Sc 11 over S.C. 183 in Oconee County, South Carolina. It was built in 1969, so it is 56 years old, older 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 6,500 vehicles a day, roughly 8% of them trucks, projected to reach 10,335 by 2043. The structure is 178 ft (54.3 m) long and 48 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSc 11
CrossesS.C. 183
Location3.5 MI NE of Walhalla
RouteState Highway 11
Coordinates34.80221, -83.03057
Functional classRural Minor Arterial

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.
Substructure8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length178 ft (54.3 m)
Longest span64 ft (19.5 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,500 (2023)
Projected traffic10,335 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sc 11 over S.C. 183 built?

It was built in 1969, making it 56 years old in 2025.

What condition is Sc 11 over S.C. 183 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 May 2024.

How much traffic does Sc 11 over S.C. 183 carry?

About 6,500 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Sc 11 over S.C. 183?

The structure is 178 ft (54.3 m) long with a longest span of 64 ft (19.5 m) and a deck 48 ft wide.

Who owns Sc 11 over S.C. 183?

It is owned by the State Highway Agency.