US Bridges

Devon Ave over Des Plaines River

Fair

Cook County, Illinois · 0.4 M E I-294 · Structure no. 016083200000000

Built
1928
97 years old, rebuilt 1979
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
235 ft
3 main spans
Daily traffic
9,250
2023 count
Owner
State
State Highway Agency

About this bridge

Devon Ave over Des Plaines River is a prestressed concrete stringer/multi-beam or girder carrying Devon Ave over Des Plaines River in Cook County, Illinois. It was built in 1928 and reconstructed in 1979, so it is 97 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 9,250 vehicles a day, roughly 2% of them trucks, projected to reach 9,545 by 2046. The structure is 235 ft (71.5 m) long and 56 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesDevon Ave
CrossesDes Plaines River
Location0.4 M E I-294
CountyCook County
StateIllinois
Coordinates41.99585, -87.85978
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.2 US tons
Inventory rating28.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length235 ft (71.5 m)
Longest span76 ft (23.2 m)
Deck width56 ft (17.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,250 (2023)
Projected traffic9,545 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.6 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Devon Ave over Des Plaines River built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1979.

What condition is Devon Ave over Des Plaines River 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 September 2024.

How much traffic does Devon Ave over Des Plaines River carry?

About 9,250 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Devon Ave over Des Plaines River?

The structure is 235 ft (71.5 m) long with a longest span of 76 ft (23.2 m) and a deck 56 ft wide.

Who owns Devon Ave over Des Plaines River?

It is owned by the State Highway Agency.