US Bridges

I-26 over Lawson Fork Creek

Fair

Spartanburg County, South Carolina · 3.7 MI SE Inman · Structure no. 000000000003476

Built
1960
65 years old
Condition
Fair
inspected January 2024
Type
Culvert
Concrete
Length
38 ft
3 main spans
Daily traffic
43,200
2023 count
Owner
State
State Highway Agency

About this bridge

I-26 over Lawson Fork Creek is a concrete culvert carrying I-26 over Lawson Fork Creek in Spartanburg 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.

It carries about 43,200 vehicles a day, roughly 19% of them trucks, projected to reach 53,568 by 2043. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-26
CrossesLawson Fork Creek
Location3.7 MI SE Inman
RouteInterstate 26
Coordinates35.01931, -82.03493
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 rating49.3 US tons
Inventory rating29.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length38 ft (11.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,200 (2023)
Projected traffic53,568 by 2043
Trucks19%
Lanes on structure4
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 Lawson Fork Creek built?

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

What condition is I-26 over Lawson Fork 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 January 2024.

How much traffic does I-26 over Lawson Fork Creek carry?

About 43,200 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is I-26 over Lawson Fork Creek?

The structure is 38 ft (11.6 m) long with a longest span of 12 ft (3.7 m).

Who owns I-26 over Lawson Fork Creek?

It is owned by the State Highway Agency.