US Bridges

US 24 & Ill 9 (wb) over Little Lamarsh Creek

Fair

Peoria County, Illinois · 1 MI W of Mapleton · Structure no. 072013600000000

Built
1977
48 years old
Condition
Fair
inspected March 2023
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 (wb) over Little Lamarsh Creek is a prestressed concrete box beam or girders - multiple carrying US 24 & Ill 9 (wb) over Little Lamarsh Creek in Peoria County, Illinois. It was built in 1977, so it is 48 years old, older 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 5 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 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 (wb)
CrossesLittle Lamarsh Creek
Location1 MI W of Mapleton
RouteU.S. Route 24
Coordinates40.56274, -89.74376
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span47 ft (14.3 m)
Deck width42 ft (12.8 m)
Roadway width38 ft (11.7 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 (wb) over Little Lamarsh Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is US 24 & Ill 9 (wb) over Little Lamarsh Creek 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 March 2023.

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

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

How long is US 24 & Ill 9 (wb) over Little Lamarsh Creek?

The structure is 125 ft (38.1 m) long with a longest span of 47 ft (14.3 m) and a deck 42 ft wide.

Who owns US 24 & Ill 9 (wb) over Little Lamarsh Creek?

It is owned by the State Highway Agency.