US Bridges

S-42-787 over Trib Fairforest Ck

Fair

Spartanburg County, South Carolina · S Forest ST Off US 221 · Structure no. 000000000006782

Built
1975
50 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
2,500
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-787 over Trib Fairforest Ck is a concrete culvert carrying S-42-787 over Trib Fairforest Ck in Spartanburg County, South Carolina. It was built in 1975, so it is 50 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 2,500 vehicles a day, roughly 3% of them trucks, projected to reach 3,750 by 2043. The structure is 28 ft (8.5 m) long and 107 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-42-787
CrossesTrib Fairforest Ck
LocationS Forest ST Off US 221
RouteState Highway 787
Coordinates34.93795, -81.93862
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length28 ft (8.5 m)
Longest span8 ft (2.4 m)
Deck width107 ft (32.6 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2023)
Projected traffic3,750 by 2043
Trucks3%
Lanes on structure4
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-42-787 over Trib Fairforest Ck built?

It was built in 1975, making it 50 years old in 2025.

What condition is S-42-787 over Trib Fairforest Ck 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 September 2023.

How much traffic does S-42-787 over Trib Fairforest Ck carry?

About 2,500 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-42-787 over Trib Fairforest Ck?

The structure is 28 ft (8.5 m) long with a longest span of 8 ft (2.4 m) and a deck 107 ft wide.

Who owns S-42-787 over Trib Fairforest Ck?

It is owned by the State Highway Agency.