US Bridges

C-42-3789 over Trib-Lawsons Fork Ck

FairPosted for load

Spartanburg County, South Carolina · City of Spartanburg · Structure no. 000000000004668

Built
1965
60 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-3789 over Trib-Lawsons Fork Ck is a prestressed concrete channel beam carrying C-42-3789 over Trib-Lawsons Fork Ck in Spartanburg County, South Carolina. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 225 vehicles a day, roughly 5% of them trucks, projected to reach 288 by 2043. The structure is 30 ft (9.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-3789
CrossesTrib-Lawsons Fork Ck
LocationCity of Spartanburg
RouteCounty Highway 3789
Coordinates34.94413, -81.9025
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 inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating32.5 US tons
Inventory rating12.5 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 10
Structure length30 ft (9.1 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$75,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-42-3789 over Trib-Lawsons Fork Ck built?

It was built in 1965, making it 60 years old in 2025.

What condition is C-42-3789 over Trib-Lawsons Fork 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 November 2024.

How much traffic does C-42-3789 over Trib-Lawsons Fork Ck carry?

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

How long is C-42-3789 over Trib-Lawsons Fork Ck?

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

Who owns C-42-3789 over Trib-Lawsons Fork Ck?

It is owned by the County Highway Agency.