US Bridges

US 6 (159th) over Along US 6 EB Lanes

Fair

Cook County, Illinois · From I57 to I294 · Structure no. 016221500000000

Built
1962
63 years old, rebuilt 1963
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
4,575 ft
2 main spans
Daily traffic
25,100
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 (159th) over Along US 6 EB Lanes is a concrete continuous culvert carrying US 6 (159th) over Along US 6 EB Lanes in Cook County, Illinois. It was built in 1962 and reconstructed in 1963, so it is 63 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 25,100 vehicles a day, roughly 9% of them trucks, projected to reach 20,705 by 2046. The structure is 4,575 ft (1,394.5 m) long.

CarriesUS 6 (159th)
CrossesAlong US 6 EB Lanes
LocationFrom I57 to I294
RouteU.S. Route 6
Coordinates41.60072, -87.70173
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.1 US tons
Inventory rating25.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length4,575 ft (1,394.5 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,100 (2023)
Projected traffic20,705 by 2046
Trucks9%
Lanes on structure4
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 US 6 (159th) over Along US 6 EB Lanes built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1963.

What condition is US 6 (159th) over Along US 6 EB Lanes 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 July 2024.

How much traffic does US 6 (159th) over Along US 6 EB Lanes carry?

About 25,100 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is US 6 (159th) over Along US 6 EB Lanes?

The structure is 4,575 ft (1,394.5 m) long with a longest span of 11 ft (3.5 m).

Who owns US 6 (159th) over Along US 6 EB Lanes?

It is owned by the State Highway Agency.