US Bridges

Chicago Ave over Il 83

Fair

DuPage County, Illinois · 0.5 M S of US 34 · Structure no. 022021100000000

Built
1991
34 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
102 ft
2 main spans
Daily traffic
6,600
2024 count
Owner
State
State Highway Agency

About this bridge

Chicago Ave over Il 83 is a prestressed concrete continuous stringer/multi-beam or girder carrying Chicago Ave over Il 83 in DuPage 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 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 6,600 vehicles a day, roughly 3% of them trucks, projected to reach 4,141 by 2046. The structure is 102 ft (31.1 m) long and 44 ft wide.

CarriesChicago Ave
CrossesIl 83
Location0.5 M S of US 34
Coordinates41.80333, -87.94664
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.2 US tons
Inventory rating48.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length102 ft (31.1 m)
Longest span51 ft (15.5 m)
Deck width44 ft (13.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2024)
Projected traffic4,141 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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$1 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Chicago Ave over Il 83 built?

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

What condition is Chicago Ave over Il 83 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 2024.

How much traffic does Chicago Ave over Il 83 carry?

About 6,600 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Chicago Ave over Il 83?

The structure is 102 ft (31.1 m) long with a longest span of 51 ft (15.5 m) and a deck 44 ft wide.

Who owns Chicago Ave over Il 83?

It is owned by the State Highway Agency.