US Bridges

Il 72 over Trib of W Br Salt CR

Fair

Cook County, Illinois · 0.4M E of Plum Grove · Structure no. 016122700000000

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
33 ft
4 main spans
Daily traffic
36,400
2023 count
Owner
State
State Highway Agency

About this bridge

Il 72 over Trib of W Br Salt CR is a concrete continuous culvert carrying Il 72 over Trib of W Br Salt CR in Cook County, Illinois. It was built in 1930 and reconstructed in 1970, so it is 95 years old, older 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 36,400 vehicles a day, roughly 4% of them trucks, projected to reach 22,877 by 2046. The structure is 33 ft (10 m) long.

CarriesIl 72
CrossesTrib of W Br Salt CR
Location0.4M E of Plum Grove
RouteState Highway 72
Coordinates42.03991, -88.05291
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadUnknown
Structure length33 ft (10 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36,400 (2023)
Projected traffic22,877 by 2046
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 72 over Trib of W Br Salt CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is Il 72 over Trib of W Br Salt CR 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 May 2024.

How much traffic does Il 72 over Trib of W Br Salt CR carry?

About 36,400 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Il 72 over Trib of W Br Salt CR?

The structure is 33 ft (10 m) long with a longest span of 8 ft (2.4 m).

Who owns Il 72 over Trib of W Br Salt CR?

It is owned by the State Highway Agency.