US Bridges

108th Ave over Marley CR

Fair

Cook County, Illinois · 0.5 M N 167th · Structure no. 016500300000000

Built
1900
125 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
66 ft
3 main spans
Daily traffic
7,500
2022 count
Owner
County
County Highway Agency

About this bridge

108th Ave over Marley CR is a concrete continuous culvert carrying 108th Ave over Marley CR in Cook County, Illinois. It was built in 1900, so it is 125 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 7,500 vehicles a day, roughly 3% of them trucks, projected to reach 8,080 by 2046. The structure is 66 ft (20.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries108th Ave
CrossesMarley CR
Location0.5 M N 167th
CountyCook County
StateIllinois
Coordinates41.59307, -87.88159
Functional classUrban Collector

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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating19.3 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length66 ft (20.1 m)
Longest span22 ft (6.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,500 (2022)
Projected traffic8,080 by 2046
Trucks3%
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

OwnerCounty Highway Agency
Maintained byCounty 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 108th Ave over Marley CR built?

It was built in 1900, making it 125 years old in 2025.

What condition is 108th Ave over Marley 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 2023.

How much traffic does 108th Ave over Marley CR carry?

About 7,500 vehicles per day (2022 count), of which roughly 3% are trucks.

How long is 108th Ave over Marley CR?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.6 m).

Who owns 108th Ave over Marley CR?

It is owned by the County Highway Agency.