US Bridges

I-26 over Congaree Creek

Fair

Lexington County, South Carolina · 2.5 MI NE of Pineridge · Structure no. 000000000003025

Built
1959
66 years old, rebuilt 1984
Condition
Fair
inspected November 2023
Type
Tee Beam
Concrete
Length
160 ft
5 main spans
Daily traffic
87,600
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 over Congaree Creek is a concrete tee beam carrying I-26 over Congaree Creek in Lexington County, South Carolina. It was built in 1959 and reconstructed in 1984, so it is 66 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 87,600 vehicles a day, roughly 9% of them trucks, projected to reach 108,624 by 2043. The structure is 160 ft (48.8 m) long and 159 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-26
CrossesCongaree Creek
Location2.5 MI NE of Pineridge
RouteInterstate 26
Coordinates33.93501, -81.08086
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length160 ft (48.8 m)
Longest span32 ft (9.8 m)
Deck width159 ft (48.5 m)
Roadway width155 ft (47.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic87,600 (2023)
Projected traffic108,624 by 2043
Trucks9%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I-26 over Congaree Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1984.

What condition is I-26 over Congaree Creek 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 November 2023.

How much traffic does I-26 over Congaree Creek carry?

About 87,600 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is I-26 over Congaree Creek?

The structure is 160 ft (48.8 m) long with a longest span of 32 ft (9.8 m) and a deck 159 ft wide.

Who owns I-26 over Congaree Creek?

It is owned by the State Highway Agency.