US Bridges

Ill 7 Frnt. RD over Desplaines Riv

Good

Will County, Illinois · .36M E of Ill 53 · Structure no. 099013500000000

Built
1957
68 years old, rebuilt 2020
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
603 ft
8 main spans
Daily traffic
475
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ill 7 Frnt. RD over Desplaines Riv is a steel continuous stringer/multi-beam or girder carrying Ill 7 Frnt. RD over Desplaines Riv in Will County, Illinois. It was built in 1957 and reconstructed in 2020, so it is 68 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 475 vehicles a day, roughly 48% of them trucks, projected to reach 972 by 2046. The structure is 603 ft (183.8 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesIll 7 Frnt. RD
CrossesDesplaines Riv
Location.36M E of Ill 53
CountyWill County
StateIllinois
Coordinates41.59258, -88.06957
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length603 ft (183.8 m)
Longest span98 ft (29.9 m)
Deck width36 ft (11 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic475 (2023)
Projected traffic972 by 2046
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 7 Frnt. RD over Desplaines Riv built?

It was built in 1957, making it 68 years old in 2025. It was reconstructed in 2020.

What condition is Ill 7 Frnt. RD over Desplaines Riv in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2024.

How much traffic does Ill 7 Frnt. RD over Desplaines Riv carry?

About 475 vehicles per day (2023 count), of which roughly 48% are trucks.

How long is Ill 7 Frnt. RD over Desplaines Riv?

The structure is 603 ft (183.8 m) long with a longest span of 98 ft (29.9 m) and a deck 36 ft wide.

Who owns Ill 7 Frnt. RD over Desplaines Riv?

It is owned by the City or Municipal Highway Agency.