US Bridges

Il 7 over I-355

Fair

Will County, Illinois · 0.3 M W of Gougar RD · Structure no. 099032800000000

Built
2007
18 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
216 ft
2 main spans
Daily traffic
22,200
2023 count
Owner
State
State Highway Agency

About this bridge

Il 7 over I-355 is a prestressed concrete continuous stringer/multi-beam or girder carrying Il 7 over I-355 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 22,200 vehicles a day, roughly 8% of them trucks, projected to reach 30,672 by 2046. The structure is 216 ft (65.7 m) long and 101 ft wide.

Location

Open in Google Maps
CarriesIl 7
CrossesI-355
Location0.3 M W of Gougar RD
RouteState Highway 7
CountyWill County
StateIllinois
Coordinates41.59808, -88.01109
Functional classUrban Other Principal Arterial

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.
Substructure8 Very GoodNo problems noted.
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 rating62.8 US tons
Inventory rating37.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length216 ft (65.7 m)
Longest span108 ft (33 m)
Deck width101 ft (30.9 m)
Roadway width94 ft (28.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,200 (2023)
Projected traffic30,672 by 2046
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Il 7 over I-355 built?

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

What condition is Il 7 over I-355 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 Il 7 over I-355 carry?

About 22,200 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is Il 7 over I-355?

The structure is 216 ft (65.7 m) long with a longest span of 108 ft (33 m) and a deck 101 ft wide.

Who owns Il 7 over I-355?

It is owned by the State Highway Agency.