US Bridges

C-4-656 over Charles CR

PoorPosted for load

Anderson County, South Carolina · 17.0 MI NE of Anderson · Structure no. 000000000003588

Built
1961
64 years old
Condition
Poor
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
33 ft
1 main span
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

C-4-656 over Charles CR is a steel stringer/multi-beam or girder carrying C-4-656 over Charles CR in Anderson County, South Carolina. It was built in 1961, so it is 64 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 100 vehicles a day, roughly 4% of them trucks, projected to reach 128 by 2043. The structure is 33 ft (10.1 m) long and 29 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesC-4-656
CrossesCharles CR
Location17.0 MI NE of Anderson
RouteCounty Highway 656
Coordinates34.75102, -82.601
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Last inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating20.7 US tons
Inventory rating12.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length33 ft (10.1 m)
Longest span33 ft (10.1 m)
Deck width29 ft (8.7 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic128 by 2043
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$56,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-4-656 over Charles CR built?

It was built in 1961, making it 64 years old in 2025.

What condition is C-4-656 over Charles CR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does C-4-656 over Charles CR carry?

About 100 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is C-4-656 over Charles CR?

The structure is 33 ft (10.1 m) long with a longest span of 33 ft (10.1 m) and a deck 29 ft wide.

Who owns C-4-656 over Charles CR?

It is owned by the County Highway Agency.