US Bridges

Woodward Ave over I- 55

Fair

DuPage County, Illinois · 1.1 M SW Lemont RD · Structure no. 022008800000000

Built
1959
66 years old, rebuilt 1998
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
349 ft
2 main spans
Daily traffic
10,600
2024 count
Owner
State
State Highway Agency

About this bridge

Woodward Ave over I- 55 is a steel continuous stringer/multi-beam or girder carrying Woodward Ave over I- 55 in DuPage County, Illinois. It was built in 1959 and reconstructed in 1998, so it is 66 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 10,600 vehicles a day, roughly 5% of them trucks, projected to reach 7,979 by 2046. The structure is 349 ft (106.3 m) long and 81 ft wide.

Location

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CarriesWoodward Ave
CrossesI- 55
Location1.1 M SW Lemont RD
CountyDuPage County
StateIllinois
Coordinates41.70774, -88.02449
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length349 ft (106.3 m)
Longest span160 ft (48.8 m)
Deck width81 ft (24.7 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,600 (2024)
Projected traffic7,979 by 2046
Trucks5%
Lanes on structure4
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Woodward Ave over I- 55 built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1998.

What condition is Woodward Ave over I- 55 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 March 2023.

How much traffic does Woodward Ave over I- 55 carry?

About 10,600 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Woodward Ave over I- 55?

The structure is 349 ft (106.3 m) long with a longest span of 160 ft (48.8 m) and a deck 81 ft wide.

Who owns Woodward Ave over I- 55?

It is owned by the State Highway Agency.