US Bridges

S-20-101 over Colonel Creek

Good

Fairfield County, South Carolina · 16.5MI E Winnsboro · Structure no. 000000000008638

Built
1993
32 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
390 ft
3 main spans
Daily traffic
550
2023 count
Owner
State
State Highway Agency

About this bridge

S-20-101 over Colonel Creek is a prestressed concrete stringer/multi-beam or girder carrying S-20-101 over Colonel Creek in Fairfield County, South Carolina. It was built in 1993, so it is 32 years old, younger 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 550 vehicles a day, roughly 10% of them trucks, projected to reach 704 by 2043. The structure is 390 ft (118.9 m) long and 31 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesS-20-101
CrossesColonel Creek
Location16.5MI E Winnsboro
RouteState Highway 101
Coordinates34.3675, -80.79666
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating30.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+6 approach)
Design loadHS 20
Structure length390 ft (118.9 m)
Longest span70 ft (21.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2023)
Projected traffic704 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-20-101 over Colonel Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is S-20-101 over Colonel 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 May 2023.

How much traffic does S-20-101 over Colonel Creek carry?

About 550 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is S-20-101 over Colonel Creek?

The structure is 390 ft (118.9 m) long with a longest span of 70 ft (21.3 m) and a deck 31 ft wide.

Who owns S-20-101 over Colonel Creek?

It is owned by the State Highway Agency.