US Bridges

I-355 NB to I-88 E over US-34

Fair

DuPage County, Illinois · 1.25 M.E. of IL-53 · Structure no. 022997700000000

Built
1989
36 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
195 ft
2 main spans
Daily traffic
32,900
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-355 NB to I-88 E over US-34 is a prestressed concrete stringer/multi-beam or girder carrying I-355 NB to I-88 E over US-34 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 32,900 vehicles a day, roughly 12% of them trucks, projected to reach 29,391 by 2046. The structure is 195 ft (59.4 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesI-355 NB to I-88 E
CrossesUS-34
Location1.25 M.E. of IL-53
CountyDuPage County
StateIllinois
Coordinates41.80391, -88.05354
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating41.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length195 ft (59.4 m)
Longest span97 ft (29.7 m)
Deck width43 ft (13 m)
Roadway width39 ft (11.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,900 (2023)
Projected traffic29,391 by 2046
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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-355 NB to I-88 E over US-34 built?

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

What condition is I-355 NB to I-88 E over US-34 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-355 NB to I-88 E over US-34 carry?

About 32,900 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is I-355 NB to I-88 E over US-34?

The structure is 195 ft (59.4 m) long with a longest span of 97 ft (29.7 m) and a deck 43 ft wide.

Who owns I-355 NB to I-88 E over US-34?

It is owned by the State Toll Authority.