US Bridges

C-41-604 over Mountain Creek

Good

Saluda County, South Carolina · 10.2 MI W of Saluda · Structure no. 000000000008300

Built
1989
36 years old
Condition
Good
inspected August 2024
Type
Slab
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-41-604 over Mountain Creek is a prestressed concrete slab carrying C-41-604 over Mountain Creek in Saluda County, South Carolina. It was built in 1989, so it is 36 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 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 30 ft (9.1 m) long and 19 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesC-41-604
CrossesMountain Creek
Location10.2 MI W of Saluda
RouteCounty Highway 604
Coordinates33.99773, -81.95042
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating100 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span30 ft (9.1 m)
Deck width19 ft (5.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$108,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-41-604 over Mountain Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is C-41-604 over Mountain 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 August 2024.

How much traffic does C-41-604 over Mountain Creek carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-41-604 over Mountain Creek?

The structure is 30 ft (9.1 m) long with a longest span of 30 ft (9.1 m) and a deck 19 ft wide.

Who owns C-41-604 over Mountain Creek?

It is owned by the County Highway Agency.