US Bridges

US 24 & Ill 9 (eb) over Little Lamarsh CR

Good

Peoria County, Illinois · 1 MI W of Mapleton · Structure no. 072000800000000

Built
1955
70 years old, rebuilt 2022
Condition
Good
inspected December 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
125 ft
3 main spans
Daily traffic
10,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 24 & Ill 9 (eb) over Little Lamarsh CR is a prestressed concrete box beam or girders - multiple carrying US 24 & Ill 9 (eb) over Little Lamarsh CR in Peoria County, Illinois. It was built in 1955 and reconstructed in 2022, so it is 70 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 10,800 vehicles a day, roughly 8% of them trucks, projected to reach 5,555 by 2046. The structure is 125 ft (38.1 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 24 & Ill 9 (eb)
CrossesLittle Lamarsh CR
Location1 MI W of Mapleton
RouteU.S. Route 24
Coordinates40.5627, -89.74394
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than 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 rating55.3 US tons
Inventory rating44.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length125 ft (38.1 m)
Longest span48 ft (14.5 m)
Deck width42 ft (12.8 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,800 (2023)
Projected traffic5,555 by 2046
Trucks8%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 24 & Ill 9 (eb) over Little Lamarsh CR built?

It was built in 1955, making it 70 years old in 2025. It was reconstructed in 2022.

What condition is US 24 & Ill 9 (eb) over Little Lamarsh CR 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 December 2022.

How much traffic does US 24 & Ill 9 (eb) over Little Lamarsh CR carry?

About 10,800 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 24 & Ill 9 (eb) over Little Lamarsh CR?

The structure is 125 ft (38.1 m) long with a longest span of 48 ft (14.5 m) and a deck 42 ft wide.

Who owns US 24 & Ill 9 (eb) over Little Lamarsh CR?

It is owned by the State Highway Agency.