US Bridges

Ill 50 FAP 840 over Kankakee Riv.

Fair

Kankakee County, Illinois · 1 M N Jt US 45 & 52 · Structure no. 046004500000000

Built
1953
72 years old, rebuilt 2002
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
595 ft
7 main spans
Daily traffic
12,200
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 50 FAP 840 over Kankakee Riv. is a steel continuous stringer/multi-beam or girder carrying Ill 50 FAP 840 over Kankakee Riv. in Kankakee County, Illinois. It was built in 1953 and reconstructed in 2002, so it is 72 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 6 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 12,200 vehicles a day, roughly 4% of them trucks, projected to reach 11,220 by 2046. The structure is 595 ft (181.5 m) long and 65 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesIll 50 FAP 840
CrossesKankakee Riv.
Location1 M N Jt US 45 & 52
RouteState Highway 50
Coordinates41.11363, -87.86516
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.4 US tons
Inventory rating51.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length595 ft (181.5 m)
Longest span117 ft (35.8 m)
Deck width65 ft (19.9 m)
Roadway width61 ft (18.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,200 (2023)
Projected traffic11,220 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 50 FAP 840 over Kankakee Riv. built?

It was built in 1953, making it 72 years old in 2025. It was reconstructed in 2002.

What condition is Ill 50 FAP 840 over Kankakee Riv. 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 2023.

How much traffic does Ill 50 FAP 840 over Kankakee Riv. carry?

About 12,200 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Ill 50 FAP 840 over Kankakee Riv.?

The structure is 595 ft (181.5 m) long with a longest span of 117 ft (35.8 m) and a deck 65 ft wide.

Who owns Ill 50 FAP 840 over Kankakee Riv.?

It is owned by the State Highway Agency.