US Bridges

Ashland Ave over Little Cal River

Good

Cook County, Illinois · 0.01 M N Thornton RD · Structure no. 016030100000000

Built
1930
95 years old, rebuilt 1995
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
239 ft
4 main spans
Daily traffic
9,900
2023 count
Owner
State
State Highway Agency

About this bridge

Ashland Ave over Little Cal River is a steel continuous stringer/multi-beam or girder carrying Ashland Ave over Little Cal River in Cook County, Illinois. It was built in 1930 and reconstructed in 1995, 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 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 9,900 vehicles a day, roughly 6% of them trucks, projected to reach 9,646 by 2046. The structure is 239 ft (72.7 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesAshland Ave
CrossesLittle Cal River
Location0.01 M N Thornton RD
Coordinates41.6392, -87.66014
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.2 US tons
Inventory rating56.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length239 ft (72.7 m)
Longest span59 ft (18.1 m)
Deck width63 ft (19.3 m)
Roadway width60 ft (18.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,900 (2023)
Projected traffic9,646 by 2046
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$1.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Ashland Ave over Little Cal River built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1995.

What condition is Ashland Ave over Little Cal River 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 Ashland Ave over Little Cal River carry?

About 9,900 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Ashland Ave over Little Cal River?

The structure is 239 ft (72.7 m) long with a longest span of 59 ft (18.1 m) and a deck 63 ft wide.

Who owns Ashland Ave over Little Cal River?

It is owned by the State Highway Agency.