US Bridges

Ill 8 over Trib of Kickapoo CR

Fair

Peoria County, Illinois · 3.5 MI NW Pottstown · Structure no. 072015600000000

Built
1991
34 years old
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
2,550
2021 count
Owner
State
State Highway Agency

About this bridge

Ill 8 over Trib of Kickapoo CR is a prestressed concrete box beam or girders - multiple carrying Ill 8 over Trib of Kickapoo CR in Peoria County, Illinois. It was built in 1991, so it is 34 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 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 2,550 vehicles a day, roughly 6% of them trucks, projected to reach 2,576 by 2046. The structure is 43 ft (13 m) long and 32 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesIll 8
CrossesTrib of Kickapoo CR
Location3.5 MI NW Pottstown
RouteState Highway 8
Coordinates40.74147, -89.70588
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span40 ft (12.3 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,550 (2021)
Projected traffic2,576 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Ill 8 over Trib of Kickapoo CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Ill 8 over Trib of Kickapoo 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 February 2024.

How much traffic does Ill 8 over Trib of Kickapoo CR carry?

About 2,550 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is Ill 8 over Trib of Kickapoo CR?

The structure is 43 ft (13 m) long with a longest span of 40 ft (12.3 m) and a deck 32 ft wide.

Who owns Ill 8 over Trib of Kickapoo CR?

It is owned by the State Highway Agency.