US Bridges

US 150 over Trib. of Salt Creek

Good

McLean County, Illinois · 2.0 M S of Leroy · Structure no. 057203800000000

Built
2001
24 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
900
2023 count
Owner
State
State Highway Agency

About this bridge

US 150 over Trib. of Salt Creek is a concrete culvert carrying US 150 over Trib. of Salt Creek in McLean County, Illinois. It was built in 2001, so it is 24 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 900 vehicles a day, roughly 4% of them trucks, projected to reach 909 by 2046. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 150
CrossesTrib. of Salt Creek
Location2.0 M S of Leroy
RouteU.S. Route 150
Coordinates40.32526, -88.72234
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating41.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic909 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

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 150 over Trib. of Salt Creek built?

It was built in 2001, making it 24 years old in 2025.

What condition is US 150 over Trib. of Salt 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 April 2024.

How much traffic does US 150 over Trib. of Salt Creek carry?

About 900 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 150 over Trib. of Salt Creek?

The structure is 24 ft (7.3 m) long with a longest span of 12 ft (3.6 m).

Who owns US 150 over Trib. of Salt Creek?

It is owned by the State Highway Agency.