US Bridges

Sc 97 over Catawba River

Fair

Lancaster County, South Carolina · Chester CO LN · Structure no. 000000000008015

Built
1986
39 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,530 ft
21 main spans
Daily traffic
1,050
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 97 over Catawba River is a prestressed concrete stringer/multi-beam or girder carrying Sc 97 over Catawba River in Lancaster County, South Carolina. It was built in 1986, so it is 39 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 1,050 vehicles a day, roughly 10% of them trucks, projected to reach 1,670 by 2043. The structure is 1,530 ft (466.3 m) long and 47 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSc 97
CrossesCatawba River
LocationChester CO LN
RouteState Highway 97
Coordinates34.59814, -80.8902
Functional classRural Minor Arterial

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.
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 inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.3 US tons
Inventory rating44.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans21 (+2 approach)
Design loadHS 20
Structure length1,530 ft (466.3 m)
Longest span70 ft (21.3 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,050 (2023)
Projected traffic1,670 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Sc 97 over Catawba River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Sc 97 over Catawba River 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 97 over Catawba River carry?

About 1,050 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Sc 97 over Catawba River?

The structure is 1,530 ft (466.3 m) long with a longest span of 70 ft (21.3 m) and a deck 47 ft wide.

Who owns Sc 97 over Catawba River?

It is owned by the State Highway Agency.