US Bridges

C-42-4761 over Four Mile Branch

Good

Spartanburg County, South Carolina · 4.0 MI SE Spartanburg · Structure no. 000000000005858

Built
2015
10 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

C-42-4761 over Four Mile Branch is a prestressed concrete slab carrying C-42-4761 over Four Mile Branch in Spartanburg County, South Carolina. It was built in 2015, so it is 10 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 45 ft (13.7 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesC-42-4761
CrossesFour Mile Branch
Location4.0 MI SE Spartanburg
RouteCounty Highway 4761
Coordinates34.93234, -81.86748
Functional classUrban 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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.5 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.3 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-42-4761 over Four Mile Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is C-42-4761 over Four Mile Branch 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 October 2023.

How much traffic does C-42-4761 over Four Mile Branch carry?

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

How long is C-42-4761 over Four Mile Branch?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 30 ft wide.

Who owns C-42-4761 over Four Mile Branch?

It is owned by the County Highway Agency.