US Bridges

S-4-22 over Big Generostee Crk

Good

Anderson County, South Carolina · 1.2MI W Anderson · Structure no. 000000000001007

Built
1940
85 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
5,800
2023 count
Owner
State
State Highway Agency

About this bridge

S-4-22 over Big Generostee Crk is a concrete culvert carrying S-4-22 over Big Generostee Crk in Anderson County, South Carolina. It was built in 1940, so it is 85 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,800 vehicles a day, roughly 3% of them trucks, projected to reach 6,380 by 2043. The structure is 33 ft (10.1 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-4-22
CrossesBig Generostee Crk
Location1.2MI W Anderson
RouteState Highway 22
Coordinates34.50038, -82.67007
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating45 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width62 ft (18.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,800 (2023)
Projected traffic6,380 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-4-22 over Big Generostee Crk built?

It was built in 1940, making it 85 years old in 2025.

What condition is S-4-22 over Big Generostee Crk 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 December 2024.

How much traffic does S-4-22 over Big Generostee Crk carry?

About 5,800 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-4-22 over Big Generostee Crk?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 62 ft wide.

Who owns S-4-22 over Big Generostee Crk?

It is owned by the State Highway Agency.