US Bridges

Brookfield Avenue over Salt Creek

Good

Cook County, Illinois · 0.01 M N Br RR · Structure no. 016666600000000

Built
2023
2 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
109 ft
1 main span
Daily traffic
800
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Brookfield Avenue over Salt Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Brookfield Avenue over Salt Creek in Cook County, Illinois. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 800 vehicles a day, roughly 7% of them trucks, projected to reach 2,900 by 2040. The structure is 109 ft (33.3 m) long and 45 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesBrookfield Avenue
CrossesSalt Creek
Location0.01 M N Br RR
Coordinates41.82283, -87.84118
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
Deck9 ExcellentNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length109 ft (33.3 m)
Longest span105 ft (31.9 m)
Deck width45 ft (13.7 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2022)
Projected traffic2,900 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 Brookfield Avenue over Salt Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is Brookfield Avenue over Salt Creek 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 December 2023.

How much traffic does Brookfield Avenue over Salt Creek carry?

About 800 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is Brookfield Avenue over Salt Creek?

The structure is 109 ft (33.3 m) long with a longest span of 105 ft (31.9 m) and a deck 45 ft wide.

Who owns Brookfield Avenue over Salt Creek?

It is owned by the City or Municipal Highway Agency.