US Bridges

US 50 over Crooked Creek

Good

Marion County, Illinois · .25 MI E Salem · Structure no. 061003700000000

Built
1952
73 years old, rebuilt 1994
Condition
Good
inspected July 2023
Type
Slab
Concrete Continuous
Length
104 ft
3 main spans
Daily traffic
4,850
2023 count
Owner
State
State Highway Agency

About this bridge

US 50 over Crooked Creek is a concrete continuous slab carrying US 50 over Crooked Creek in Marion County, Illinois. It was built in 1952 and reconstructed in 1994, so it is 73 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,850 vehicles a day, roughly 20% of them trucks, projected to reach 4,646 by 2046. The structure is 104 ft (31.7 m) long and 43 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

CarriesUS 50
CrossesCrooked Creek
Location.25 MI E Salem
RouteU.S. Route 50
Coordinates38.62801, -88.9204
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.8 US tons
Inventory rating46.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span39 ft (12 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,850 (2023)
Projected traffic4,646 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 km)
TollOn a free road
National Highway SystemYes

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 US 50 over Crooked Creek built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1994.

What condition is US 50 over Crooked Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does US 50 over Crooked Creek carry?

About 4,850 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is US 50 over Crooked Creek?

The structure is 104 ft (31.7 m) long with a longest span of 39 ft (12 m) and a deck 43 ft wide.

Who owns US 50 over Crooked Creek?

It is owned by the State Highway Agency.