US Bridges

I-355 NB & SB over International Prky

Fair

Will County, Illinois · 1M E of Joliet RD · Structure no. 099033400000000

Built
2007
18 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
134 ft
1 main span
Daily traffic
41,950
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

I-355 NB & SB over International Prky is a steel continuous stringer/multi-beam or girder carrying I-355 NB & SB over International Prky in Will County, Illinois. It was built in 2007, so it is 18 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 41,950 vehicles a day, roughly 16% of them trucks, projected to reach 47,448 by 2046. The structure is 134 ft (40.9 m) long and 77 ft wide.

Location

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CarriesI-355 NB & SB
CrossesInternational Prky
Location1M E of Joliet RD
RouteInterstate 355
CountyWill County
StateIllinois
Coordinates41.69116, -88.03002
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable 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
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length134 ft (40.9 m)
Longest span130 ft (39.5 m)
Deck width77 ft (23.6 m)
Roadway width74 ft (22.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,950 (2023)
Projected traffic47,448 by 2046
Trucks16%
Lanes on structure4
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-355 NB & SB over International Prky built?

It was built in 2007, making it 18 years old in 2025.

What condition is I-355 NB & SB over International Prky 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 August 2023.

How much traffic does I-355 NB & SB over International Prky carry?

About 41,950 vehicles per day (2023 count), of which roughly 16% are trucks.

How long is I-355 NB & SB over International Prky?

The structure is 134 ft (40.9 m) long with a longest span of 130 ft (39.5 m) and a deck 77 ft wide.

Who owns I-355 NB & SB over International Prky?

It is owned by the State Toll Authority.