US Bridges

Ch 8 over Tower CR

Fair

Kankakee County, Illinois · 4.4 MI E St.George · Structure no. 046300600000000

Built
1952
73 years old, rebuilt 1994
Condition
Fair
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
1,900
2021 count
Owner
County
County Highway Agency

About this bridge

Ch 8 over Tower CR is a prestressed concrete box beam or girders - multiple carrying Ch 8 over Tower CR in Kankakee County, Illinois. It was built in 1952 and reconstructed in 1994, so it is 73 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 1,900 vehicles a day, roughly 16% of them trucks, projected to reach 1,938 by 2046. The structure is 32 ft (9.9 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCh 8
CrossesTower CR
Location4.4 MI E St.George
RouteCounty Highway 0
CountyKankakee County
StateIllinois
Coordinates41.19316, -87.69001
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.4 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.9 m)
Longest span32 ft (9.8 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2021)
Projected traffic1,938 by 2046
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Ch 8 over Tower CR built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1994.

What condition is Ch 8 over Tower 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 August 2024.

How much traffic does Ch 8 over Tower CR carry?

About 1,900 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is Ch 8 over Tower CR?

The structure is 32 ft (9.9 m) long with a longest span of 32 ft (9.8 m) and a deck 40 ft wide.

Who owns Ch 8 over Tower CR?

It is owned by the County Highway Agency.