US Bridges

TR-150 over Crooked Creek

Good

Marion County, Illinois · 1 MI NW Lake Central · Structure no. 061320000000000

Built
1978
47 years old
Condition
Good
inspected March 2024
Type
Channel Beam
Concrete
Length
72 ft
3 main spans
Daily traffic
100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-150 over Crooked Creek is a concrete channel beam carrying TR-150 over Crooked Creek in Marion County, Illinois. It was built in 1978, so it is 47 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 100 vehicles a day, roughly 11% of them trucks, projected to reach 253 by 2046. The structure is 72 ft (21.9 m) long and 23 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR-150
CrossesCrooked Creek
Location1 MI NW Lake Central
RouteCounty Highway 0
Coordinates38.56681, -89.01851
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating75.4 US tons
Inventory rating30.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length72 ft (21.9 m)
Longest span30 ft (9.1 m)
Deck width23 ft (6.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic253 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR-150 over Crooked Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is TR-150 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 March 2024.

How much traffic does TR-150 over Crooked Creek carry?

About 100 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is TR-150 over Crooked Creek?

The structure is 72 ft (21.9 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns TR-150 over Crooked Creek?

It is owned by the Town or Township Highway Agency.