US Bridges

C-1-526 over Johnson Ck

FairPosted for load

Abbeville County, South Carolina · 13.6 MI NW of Abbeville · Structure no. 000000000007310

Built
2014
11 years old
Condition
Fair
inspected September 2023
Type
Slab
Concrete
Length
30 ft
2 main spans
Daily traffic
125
2023 count
Owner
County
County Highway Agency

About this bridge

C-1-526 over Johnson Ck is a concrete slab carrying C-1-526 over Johnson Ck in Abbeville County, South Carolina. It was built in 2014, so it is 11 years old, younger 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. 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 30 ft (9.1 m) long and 11 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesC-1-526
CrossesJohnson Ck
Location13.6 MI NW of Abbeville
RouteCounty Highway 526
CountyAbbeville County
StateSouth Carolina
Coordinates34.34831, -82.50162
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating18.5 US tons
Inventory rating11 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span15 ft (4.6 m)
Deck width11 ft (3.4 m)
Roadway width10 ft (3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2023)
Projected traffic160 by 2043
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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$186,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was C-1-526 over Johnson Ck built?

It was built in 2014, making it 11 years old in 2025.

What condition is C-1-526 over Johnson Ck 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 September 2023.

How much traffic does C-1-526 over Johnson Ck carry?

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

How long is C-1-526 over Johnson Ck?

The structure is 30 ft (9.1 m) long with a longest span of 15 ft (4.6 m) and a deck 11 ft wide.

Who owns C-1-526 over Johnson Ck?

It is owned by the County Highway Agency.