US Bridges

C-4-785 over Big Generostee CR

FairPosted for load

Anderson County, South Carolina · 7.8 MI SW of Anderson · Structure no. 000000000004038

Built
1963
62 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
2 main spans
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-785 over Big Generostee CR is a steel stringer/multi-beam or girder carrying C-4-785 over Big Generostee CR in Anderson County, South Carolina. It was built in 1963, so it is 62 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 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 52 ft (15.8 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesC-4-785
CrossesBig Generostee CR
Location7.8 MI SW of Anderson
RouteCounty Highway 785
CountyAnderson County
StateSouth Carolina
Coordinates34.43389, -82.76167
Functional classRural 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 protection8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating35.1 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length52 ft (15.8 m)
Longest span27 ft (8.2 m)
Deck width23 ft (6.9 m)
Roadway width21 ft (6.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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-4-785 over Big Generostee CR built?

It was built in 1963, making it 62 years old in 2025.

What condition is C-4-785 over Big Generostee CR 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-4-785 over Big Generostee CR carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-4-785 over Big Generostee CR?

The structure is 52 ft (15.8 m) long with a longest span of 27 ft (8.2 m) and a deck 23 ft wide.

Who owns C-4-785 over Big Generostee CR?

It is owned by the County Highway Agency.