US Bridges

US 178 over Mid Fork 12 Mi.Creek

Good

Pickens County, South Carolina · 5MI N of Pickens · Structure no. 000000000002604

Built
1957
68 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
2,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 178 over Mid Fork 12 Mi.Creek is a concrete culvert carrying US 178 over Mid Fork 12 Mi.Creek in Pickens County, South Carolina. It was built in 1957, so it is 68 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 2,200 vehicles a day, roughly 8% of them trucks, projected to reach 3,498 by 2043. The structure is 21 ft (6.4 m) long and 52 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesUS 178
CrossesMid Fork 12 Mi.Creek
Location5MI N of Pickens
RouteU.S. Route 178
Coordinates34.95974, -82.7422
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating23.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width52 ft (15.8 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,200 (2023)
Projected traffic3,498 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 178 over Mid Fork 12 Mi.Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is US 178 over Mid Fork 12 Mi.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 May 2024.

How much traffic does US 178 over Mid Fork 12 Mi.Creek carry?

About 2,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 178 over Mid Fork 12 Mi.Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 52 ft wide.

Who owns US 178 over Mid Fork 12 Mi.Creek?

It is owned by the State Highway Agency.