US Bridges

C-20-667 over Br Big Wateree CR

FairPosted for load

Fairfield County, South Carolina · 8.2 MI N Winnsboro · Structure no. 000000000003270

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
1 main span
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-20-667 over Br Big Wateree CR is a steel stringer/multi-beam or girder carrying C-20-667 over Br Big Wateree CR in Fairfield County, South Carolina. It was built in 1960, so it is 65 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 125 vehicles a day, roughly 5% of them trucks, projected to reach 160 by 2043. The structure is 28 ft (8.5 m) long and 16 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesC-20-667
CrossesBr Big Wateree CR
Location8.2 MI N Winnsboro
RouteCounty Highway 667
Coordinates34.49611, -81.10806
Functional classRural 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: 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 rating37.8 US tons
Inventory rating22.5 US tons

Structure

MaterialSteel
DeckOther
Main spans1
Design loadH 10
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width16 ft (4.8 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$177,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-20-667 over Br Big Wateree CR built?

It was built in 1960, making it 65 years old in 2025.

What condition is C-20-667 over Br Big Wateree CR 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 C-20-667 over Br Big Wateree CR carry?

About 125 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is C-20-667 over Br Big Wateree CR?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 16 ft wide.

Who owns C-20-667 over Br Big Wateree CR?

It is owned by the County Highway Agency.