US Bridges

Il 7 over US 45 (la Grange Rd)

Fair

Cook County, Illinois · 3.9 M SE of Il 83 · Structure no. 016284700000000

Built
2007
18 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
209 ft
2 main spans
Daily traffic
14,700
2023 count
Owner
State
State Highway Agency

About this bridge

Il 7 over US 45 (la Grange Rd) is a steel continuous stringer/multi-beam or girder carrying Il 7 over US 45 (la Grange Rd) in Cook 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 14,700 vehicles a day, roughly 3% of them trucks, projected to reach 14,544 by 2046. The structure is 209 ft (63.6 m) long and 39 ft wide.

Location

Open in Google Maps
CarriesIl 7
CrossesUS 45 (la Grange Rd)
Location3.9 M SE of Il 83
RouteState Highway 7
CountyCook County
StateIllinois
Coordinates41.63612, -87.85389
Functional classUrban Minor 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.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length209 ft (63.6 m)
Longest span99 ft (30.3 m)
Deck width39 ft (12 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,700 (2023)
Projected traffic14,544 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

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 US 45 (la Grange Rd) built?

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

What condition is Il 7 over US 45 (la Grange Rd) 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 February 2024.

How much traffic does Il 7 over US 45 (la Grange Rd) carry?

About 14,700 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Il 7 over US 45 (la Grange Rd)?

The structure is 209 ft (63.6 m) long with a longest span of 99 ft (30.3 m) and a deck 39 ft wide.

Who owns Il 7 over US 45 (la Grange Rd)?

It is owned by the State Highway Agency.