US Bridges

S-39-325 over Mad Dog Creek

Fair

Pickens County, South Carolina · 1.5 MI NE Easley · Structure no. 000000000006365

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
3,000
2023 count
Owner
State
State Highway Agency

About this bridge

S-39-325 over Mad Dog Creek is a concrete slab carrying S-39-325 over Mad Dog Creek in Pickens County, South Carolina. It was built in 1973, so it is 52 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,000 vehicles a day, roughly 5% of them trucks, projected to reach 3,840 by 2043. The structure is 75 ft (22.9 m) long and 33 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-39-325
CrossesMad Dog Creek
Location1.5 MI NE Easley
RouteState Highway 325
Coordinates34.84651, -82.59482
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.9 US tons
Inventory rating25.7 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,000 (2023)
Projected traffic3,840 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-39-325 over Mad Dog Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is S-39-325 over Mad Dog Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does S-39-325 over Mad Dog Creek carry?

About 3,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-39-325 over Mad Dog Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 33 ft wide.

Who owns S-39-325 over Mad Dog Creek?

It is owned by the State Highway Agency.