US Bridges

C-39-437 over Trib of Machine Creek

Good

Pickens County, South Carolina · 6.7 MI NE of Pickens · Structure no. 000000000005149

Built
2004
21 years old
Condition
Good
inspected March 2024
Type
Slab
Prestressed Concrete
Length
55 ft
1 main span
Daily traffic
750
2023 count
Owner
County
County Highway Agency

About this bridge

C-39-437 over Trib of Machine Creek is a prestressed concrete slab carrying C-39-437 over Trib of Machine Creek in Pickens County, South Carolina. It was built in 2004, so it is 21 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 750 vehicles a day, roughly 5% of them trucks. The structure is 55 ft (16.8 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesC-39-437
CrossesTrib of Machine Creek
Location6.7 MI NE of Pickens
RouteCounty Highway 437
Coordinates34.9282, -82.56491
Functional classRural Minor Collector

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 protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating22.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length55 ft (16.8 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic750 (2023)
Projected traffic—
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 C-39-437 over Trib of Machine Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is C-39-437 over Trib of Machine 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 March 2024.

How much traffic does C-39-437 over Trib of Machine Creek carry?

About 750 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-39-437 over Trib of Machine Creek?

The structure is 55 ft (16.8 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns C-39-437 over Trib of Machine Creek?

It is owned by the County Highway Agency.