US Bridges

C-4-4074 over Trib to Rocky River

Fair

Anderson County, South Carolina · 2.8 MI SE Anderson · Structure no. 000000000002465

Built
1957
68 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
175
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-4074 over Trib to Rocky River is a steel stringer/multi-beam or girder carrying C-4-4074 over Trib to Rocky River in Anderson County, South Carolina. It was built in 1957, so it is 68 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 175 vehicles a day, roughly 5% of them trucks, projected to reach 224 by 2043. The structure is 43 ft (13.1 m) long and 28 ft wide.

Location

Open in Google Maps
CarriesC-4-4074
CrossesTrib to Rocky River
Location2.8 MI SE Anderson
RouteCounty Highway 4074
CountyAnderson County
StateSouth Carolina
Coordinates34.46934, -82.62335
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span43 ft (13.1 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2023)
Projected traffic224 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was C-4-4074 over Trib to Rocky River built?

It was built in 1957, making it 68 years old in 2025.

What condition is C-4-4074 over Trib to Rocky River 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 October 2023.

How much traffic does C-4-4074 over Trib to Rocky River carry?

About 175 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-4-4074 over Trib to Rocky River?

The structure is 43 ft (13.1 m) long with a longest span of 43 ft (13.1 m) and a deck 28 ft wide.

Who owns C-4-4074 over Trib to Rocky River?

It is owned by the County Highway Agency.