US Bridges

I-88 over I-355 NB to I-88 WB

Fair

DuPage County, Illinois · 0.45 M.N. of US-34 · Structure no. 022997300000000

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
367 ft
1 main span
Daily traffic
169,900
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-88 over I-355 NB to I-88 WB is a concrete slab carrying I-88 over I-355 NB to I-88 WB in DuPage County, Illinois. It was built in 1989, so it is 36 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 169,900 vehicles a day, roughly 11% of them trucks, projected to reach 137,057 by 2046. The structure is 367 ft (111.9 m) long and 38 ft wide.

Location

Open in Google Maps
CarriesI-88
CrossesI-355 NB to I-88 WB
Location0.45 M.N. of US-34
RouteInterstate 88
CountyDuPage County
StateIllinois
Coordinates41.81011, -88.05623
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating67.5 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length367 ft (111.9 m)
Longest span360 ft (109.7 m)
Deck width38 ft (11.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic169,900 (2023)
Projected traffic137,057 by 2046
Trucks11%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a toll road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 I-88 over I-355 NB to I-88 WB built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-88 over I-355 NB to I-88 WB 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 I-88 over I-355 NB to I-88 WB carry?

About 169,900 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is I-88 over I-355 NB to I-88 WB?

The structure is 367 ft (111.9 m) long with a longest span of 360 ft (109.7 m) and a deck 38 ft wide.

Who owns I-88 over I-355 NB to I-88 WB?

It is owned by the State Toll Authority.