US Bridges

Sc 97 over Mill Creek

Fair

Chester County, South Carolina · 7.3MI NW of Chester · Structure no. 000000000001241

Built
1942
83 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

Sc 97 over Mill Creek is a concrete culvert carrying Sc 97 over Mill Creek in Chester County, South Carolina. It was built in 1942, so it is 83 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 550 vehicles a day, roughly 16% of them trucks, projected to reach 875 by 2043. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSc 97
CrossesMill Creek
Location7.3MI NW of Chester
RouteState Highway 97
Coordinates34.77406, -81.30294
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.3 US tons
Inventory rating38.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic875 by 2043
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Mill Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is Sc 97 over Mill 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 August 2023.

How much traffic does Sc 97 over Mill Creek carry?

About 550 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is Sc 97 over Mill Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m).

Who owns Sc 97 over Mill Creek?

It is owned by the State Highway Agency.