US Bridges

S-46-963 over Manchester Creek

Fair

York County, South Carolina · City of Rock Hill · Structure no. 000000000007053

Built
1977
48 years old
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
75 ft
5 main spans
Daily traffic
650
2023 count
Owner
State
State Highway Agency

About this bridge

S-46-963 over Manchester Creek is a concrete slab carrying S-46-963 over Manchester Creek in York County, South Carolina. It was built in 1977, so it is 48 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 5 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 650 vehicles a day, roughly 5% of them trucks, projected to reach 832 by 2043. The structure is 75 ft (22.9 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesS-46-963
CrossesManchester Creek
LocationCity of Rock Hill
RouteState Highway 963
CountyYork County
StateSouth Carolina
Coordinates34.94306, -80.99222
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating42.5 US tons
Inventory rating25.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadH 15
Structure length75 ft (22.9 m)
Longest span15 ft (4.6 m)
Deck width39 ft (11.8 m)
Roadway width37 ft (11.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic832 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$101,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was S-46-963 over Manchester Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is S-46-963 over Manchester Creek 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-46-963 over Manchester Creek carry?

About 650 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is S-46-963 over Manchester Creek?

The structure is 75 ft (22.9 m) long with a longest span of 15 ft (4.6 m) and a deck 39 ft wide.

Who owns S-46-963 over Manchester Creek?

It is owned by the State Highway Agency.