US Bridges

26th ST Bypass over Il 50 (cicero Ave)

Fair

Cook County, Illinois · 1.9 M S I-290 · Structure no. 016106900000000

Built
1964
61 years old, rebuilt 1999
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
177 ft
3 main spans
Daily traffic
10,150
2023 count
Owner
State
State Highway Agency

About this bridge

26th ST Bypass over Il 50 (cicero Ave) is a steel continuous stringer/multi-beam or girder carrying 26th ST Bypass over Il 50 (cicero Ave) in Cook County, Illinois. It was built in 1964 and reconstructed in 1999, so it is 61 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 10,150 vehicles a day, roughly 9% of them trucks, projected to reach 18,887 by 2046. The structure is 177 ft (53.9 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries26th ST Bypass
CrossesIl 50 (cicero Ave)
Location1.9 M S I-290
Coordinates41.84484, -87.74402
Functional classUrban 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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating94.2 US tons
Inventory rating56.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length177 ft (53.9 m)
Longest span73 ft (22.2 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,150 (2023)
Projected traffic18,887 by 2046
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$711,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 26th ST Bypass over Il 50 (cicero Ave) built?

It was built in 1964, making it 61 years old in 2025. It was reconstructed in 1999.

What condition is 26th ST Bypass over Il 50 (cicero Ave) 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 October 2023.

How much traffic does 26th ST Bypass over Il 50 (cicero Ave) carry?

About 10,150 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is 26th ST Bypass over Il 50 (cicero Ave)?

The structure is 177 ft (53.9 m) long with a longest span of 73 ft (22.2 m) and a deck 43 ft wide.

Who owns 26th ST Bypass over Il 50 (cicero Ave)?

It is owned by the State Highway Agency.