US Bridges

US 6 over Marley Creek

Good

Will County, Illinois · 1.1 M W of Cook CO · Structure no. 099054300000000

Built
2020
5 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
203 ft
3 main spans
Daily traffic
14,200
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 over Marley Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US 6 over Marley Creek in Will County, Illinois. It was built in 2020, so it is 5 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 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 14,200 vehicles a day, roughly 12% of them trucks, projected to reach 13,032 by 2046. The structure is 203 ft (62 m) long and 54 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 6
CrossesMarley Creek
Location1.1 M W of Cook CO
RouteU.S. Route 6
CountyWill County
StateIllinois
Coordinates41.55104, -87.92726
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
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 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 rating66.5 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length203 ft (62 m)
Longest span92 ft (28 m)
Deck width54 ft (16.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,200 (2023)
Projected traffic13,032 by 2046
Trucks12%
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

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 over Marley Creek built?

It was built in 2020, making it 5 years old in 2025.

What condition is US 6 over Marley 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 January 2024.

How much traffic does US 6 over Marley Creek carry?

About 14,200 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US 6 over Marley Creek?

The structure is 203 ft (62 m) long with a longest span of 92 ft (28 m) and a deck 54 ft wide.

Who owns US 6 over Marley Creek?

It is owned by the State Highway Agency.