US Bridges

Leon Cook/River 71 over Bn Sf RR

Good

Cook County, Illinois · Hodgkins · Structure no. 016719000000000

Built
2002
23 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
86 ft
1 main span
Daily traffic
2,650
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Leon Cook/River 71 over Bn Sf RR is a steel stringer/multi-beam or girder carrying Leon Cook/River 71 over Bn Sf RR in Cook County, Illinois. It was built in 2002, so it is 23 years old, younger 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 2,650 vehicles a day, roughly 47% of them trucks, projected to reach 2,727 by 2046. The structure is 86 ft (26.1 m) long and 39 ft wide.

CarriesLeon Cook/River 71
CrossesBn Sf RR
LocationHodgkins
Coordinates41.76031, -87.85886
Functional classRural Minor Collector

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.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment9: Superior to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.1 m)
Longest span80 ft (24.4 m)
Deck width39 ft (11.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2022)
Projected traffic2,727 by 2046
Trucks47%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Leon Cook/River 71 over Bn Sf RR built?

It was built in 2002, making it 23 years old in 2025.

What condition is Leon Cook/River 71 over Bn Sf RR 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 October 2023.

How much traffic does Leon Cook/River 71 over Bn Sf RR carry?

About 2,650 vehicles per day (2022 count), of which roughly 47% are trucks.

How long is Leon Cook/River 71 over Bn Sf RR?

The structure is 86 ft (26.1 m) long with a longest span of 80 ft (24.4 m) and a deck 39 ft wide.

Who owns Leon Cook/River 71 over Bn Sf RR?

It is owned by the City or Municipal Highway Agency.