US Bridges

C-42-508 over Trib-Fairforest Ck

Good

Spartanburg County, South Carolina · 5.5 MI SE Spartanburg · Structure no. 000000000007844

Built
1984
41 years old
Condition
Good
inspected November 2023
Type
Channel Beam
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-508 over Trib-Fairforest Ck is a prestressed concrete channel beam carrying C-42-508 over Trib-Fairforest Ck in Spartanburg County, South Carolina. It was built in 1984, so it is 41 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 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 60 ft (18.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-508
CrossesTrib-Fairforest Ck
Location5.5 MI SE Spartanburg
RouteCounty Highway 508
Coordinates34.87853, -81.88349
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 protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating62.8 US tons
Inventory rating32.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic288 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

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-42-508 over Trib-Fairforest Ck built?

It was built in 1984, making it 41 years old in 2025.

What condition is C-42-508 over Trib-Fairforest Ck 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 November 2023.

How much traffic does C-42-508 over Trib-Fairforest Ck carry?

About 225 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-42-508 over Trib-Fairforest Ck?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns C-42-508 over Trib-Fairforest Ck?

It is owned by the County Highway Agency.