US Bridges

S-40-60 over Twenty Five Mile Creek

Good

Richland County, South Carolina · 4 MI E of Blythewood · Structure no. 000000000001553

Built
1948
77 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
43 ft
4 main spans
Daily traffic
1,550
2023 count
Owner
State
State Highway Agency

About this bridge

S-40-60 over Twenty Five Mile Creek is a concrete culvert carrying S-40-60 over Twenty Five Mile Creek in Richland County, South Carolina. It was built in 1948, so it is 77 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,550 vehicles a day, roughly 6% of them trucks, projected to reach 3,007 by 2043. The structure is 43 ft (13.1 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesS-40-60
CrossesTwenty Five Mile Creek
Location4 MI E of Blythewood
RouteState Highway 60
Coordinates34.21506, -80.9006
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.8 US tons
Inventory rating22.5 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length43 ft (13.1 m)
Longest span10 ft (3 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2023)
Projected traffic3,007 by 2043
Trucks6%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-40-60 over Twenty Five Mile Creek built?

It was built in 1948, making it 77 years old in 2025.

What condition is S-40-60 over Twenty Five Mile Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does S-40-60 over Twenty Five Mile Creek carry?

About 1,550 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is S-40-60 over Twenty Five Mile Creek?

The structure is 43 ft (13.1 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns S-40-60 over Twenty Five Mile Creek?

It is owned by the State Highway Agency.