US Bridges

S-44-66 over Cunningham Creek

Good

Union County, South Carolina · 4.2 MI NW Jonesville · Structure no. 000000000002862

Built
2009
16 years old
Condition
Good
inspected June 2023
Type
Slab
Prestressed Concrete
Length
120 ft
1 main span
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

S-44-66 over Cunningham Creek is a prestressed concrete slab carrying S-44-66 over Cunningham Creek in Union County, South Carolina. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 150 vehicles a day, roughly 5% of them trucks, projected to reach 192 by 2043. The structure is 120 ft (36.6 m) long and 36 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS-44-66
CrossesCunningham Creek
Location4.2 MI NW Jonesville
RouteState Highway 66
CountyUnion County
StateSouth Carolina
Coordinates34.86533, -81.75044
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating45.3 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1 (+1 approach)
Design loadHL 93
Structure length120 ft (36.6 m)
Longest span70 ft (21.3 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic192 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-44-66 over Cunningham Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is S-44-66 over Cunningham 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 June 2023.

How much traffic does S-44-66 over Cunningham Creek carry?

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

How long is S-44-66 over Cunningham Creek?

The structure is 120 ft (36.6 m) long with a longest span of 70 ft (21.3 m) and a deck 36 ft wide.

Who owns S-44-66 over Cunningham Creek?

It is owned by the State Highway Agency.