US Bridges

US 150 over French CR

Fair

Peoria County, Illinois · 2 MI S of Laura · Structure no. 072203300000000

Built
2002
23 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
3,400
2023 count
Owner
State
State Highway Agency

About this bridge

US 150 over French CR is a concrete culvert carrying US 150 over French CR in Peoria County, Illinois. It was built in 2002, so it is 23 years old, younger 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 3,400 vehicles a day, roughly 10% of them trucks, projected to reach 3,788 by 2046. The structure is 29 ft (8.7 m) long. If it were closed, the detour would be 32.9 mi (53 km).

CarriesUS 150
CrossesFrench CR
Location2 MI S of Laura
RouteU.S. Route 150
Coordinates40.89231, -89.92722
Functional classRural Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length29 ft (8.7 m)
Longest span13 ft (4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2023)
Projected traffic3,788 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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 French CR built?

It was built in 2002, making it 23 years old in 2025.

What condition is US 150 over French CR 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 May 2023.

How much traffic does US 150 over French CR carry?

About 3,400 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is US 150 over French CR?

The structure is 29 ft (8.7 m) long with a longest span of 13 ft (4 m).

Who owns US 150 over French CR?

It is owned by the State Highway Agency.