US Bridges

Sc 122 over Manchester CR

Fair

York County, South Carolina · City of Rock Hill · Structure no. 000000000006407

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
20,900
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 122 over Manchester CR is a concrete culvert carrying Sc 122 over Manchester CR in York County, South Carolina. It was built in 1973, so it is 52 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 20,900 vehicles a day, roughly 2% of them trucks, projected to reach 35,321 by 2043. The structure is 23 ft (6.9 m) long and 150 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSc 122
CrossesManchester CR
LocationCity of Rock Hill
RouteState Highway 122
Coordinates34.94062, -80.99383
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating54.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (6.9 m)
Longest span10 ft (3 m)
Deck width150 ft (45.7 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,900 (2023)
Projected traffic35,321 by 2043
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$102,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Sc 122 over Manchester CR built?

It was built in 1973, making it 52 years old in 2025.

What condition is Sc 122 over Manchester 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 June 2024.

How much traffic does Sc 122 over Manchester CR carry?

About 20,900 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Sc 122 over Manchester CR?

The structure is 23 ft (6.9 m) long with a longest span of 10 ft (3 m) and a deck 150 ft wide.

Who owns Sc 122 over Manchester CR?

It is owned by the State Highway Agency.