US Bridges

I-70 over Turkey Run Creek

Fair

Clark County, Illinois · 2.1 MI E Il 49 Int · Structure no. 012200700000000

Built
1968
57 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
22,800
2023 count
Owner
State
State Highway Agency

About this bridge

I-70 over Turkey Run Creek is a concrete culvert carrying I-70 over Turkey Run Creek in Clark County, Illinois. It was built in 1968, so it is 57 years old, older than the Illinois average of 45.3 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 22,800 vehicles a day, roughly 60% of them trucks, projected to reach 26,361 by 2046. The structure is 21 ft (6.3 m) long and 223 ft wide.

Location

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CarriesI-70
CrossesTurkey Run Creek
Location2.1 MI E Il 49 Int
RouteInterstate 70
CountyClark County
StateIllinois
Coordinates39.33698, -87.95029
Functional classRural 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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating70.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length21 ft (6.3 m)
Longest span21 ft (6.3 m)
Deck width223 ft (68.1 m)
Roadway width72 ft (21.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,800 (2023)
Projected traffic26,361 by 2046
Trucks60%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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-70 over Turkey Run Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-70 over Turkey Run 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 February 2025.

How much traffic does I-70 over Turkey Run Creek carry?

About 22,800 vehicles per day (2023 count), of which roughly 60% are trucks.

How long is I-70 over Turkey Run Creek?

The structure is 21 ft (6.3 m) long with a longest span of 21 ft (6.3 m) and a deck 223 ft wide.

Who owns I-70 over Turkey Run Creek?

It is owned by the State Highway Agency.