US Bridges

S-46-22 over Jackson Branch

Fair

York County, South Carolina · 2.8 MI NW Fort Mill · Structure no. 000000000007632

Built
1982
43 years old
Condition
Fair
inspected May 2023
Type
Tee Beam
Prestressed Concrete
Length
60 ft
1 main span
Daily traffic
8,700
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-22 over Jackson Branch is a prestressed concrete tee beam carrying S-46-22 over Jackson Branch in York County, South Carolina. It was built in 1982, so it is 43 years old, younger 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 8,700 vehicles a day, roughly 3% of them trucks, projected to reach 11,571 by 2043. The structure is 60 ft (18.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesS-46-22
CrossesJackson Branch
Location2.8 MI NW Fort Mill
RouteState Highway 22
CountyYork County
StateSouth Carolina
Coordinates35.04417, -80.97139
Functional classUrban Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating26.1 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2023)
Projected traffic11,571 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$230,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-46-22 over Jackson Branch built?

It was built in 1982, making it 43 years old in 2025.

What condition is S-46-22 over Jackson Branch 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 May 2023.

How much traffic does S-46-22 over Jackson Branch carry?

About 8,700 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is S-46-22 over Jackson Branch?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 33 ft wide.

Who owns S-46-22 over Jackson Branch?

It is owned by the State Highway Agency.