US Bridges

Imbs Station RD Ch over Prairie Dupont Creek

Good

St. Clair County, Illinois · 2.0 Mile W. Il 163 · Structure no. 082311000000000

Built
2024
1 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
170 ft
3 main spans
Daily traffic
900
2023 count
Owner
County
County Highway Agency

About this bridge

Imbs Station RD Ch over Prairie Dupont Creek is a prestressed concrete box beam or girders - multiple carrying Imbs Station RD Ch over Prairie Dupont Creek in St. Clair County, Illinois. It was built in 2024, so it is 1 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 9 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 1,300 by 2046. The structure is 170 ft (51.8 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesImbs Station RD Ch
CrossesPrairie Dupont Creek
Location2.0 Mile W. Il 163
RouteCounty Highway 0
Coordinates38.51973, -90.14199
Functional classUrban Collector

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.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation9: Superior to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.2 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 25 or greater
Structure length170 ft (51.8 m)
Longest span69 ft (21.1 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2023)
Projected traffic1,300 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Imbs Station RD Ch over Prairie Dupont Creek built?

It was built in 2024, making it 1 years old in 2025.

What condition is Imbs Station RD Ch over Prairie Dupont 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 July 2024.

How much traffic does Imbs Station RD Ch over Prairie Dupont Creek carry?

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

How long is Imbs Station RD Ch over Prairie Dupont Creek?

The structure is 170 ft (51.8 m) long with a longest span of 69 ft (21.1 m) and a deck 32 ft wide.

Who owns Imbs Station RD Ch over Prairie Dupont Creek?

It is owned by the County Highway Agency.