US Bridges

US 6 over RR - Wisconsin Central

Fair

Will County, Illinois · 0.8 M E of Il 171 · Structure no. 099028200000000

Built
1991
34 years old
Condition
Fair
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
579 ft
3 main spans
Daily traffic
11,600
2023 count
Owner
State
State Highway Agency

About this bridge

US 6 over RR - Wisconsin Central is a steel continuous stringer/multi-beam or girder carrying US 6 over RR - Wisconsin Central in Will County, Illinois. It was built in 1991, so it is 34 years old, younger 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 5 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 11,600 vehicles a day, roughly 4% of them trucks, projected to reach 15,480 by 2046. The structure is 579 ft (176.6 m) long and 38 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS 6
CrossesRR - Wisconsin Central
Location0.8 M E of Il 171
RouteU.S. Route 6
Coordinates41.53205, -88.05973
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.5 US tons
Inventory rating48.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20
Structure length579 ft (176.6 m)
Longest span163 ft (49.7 m)
Deck width38 ft (11.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,600 (2023)
Projected traffic15,480 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$436,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 6 over RR - Wisconsin Central built?

It was built in 1991, making it 34 years old in 2025.

What condition is US 6 over RR - Wisconsin Central 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 February 2023.

How much traffic does US 6 over RR - Wisconsin Central carry?

About 11,600 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is US 6 over RR - Wisconsin Central?

The structure is 579 ft (176.6 m) long with a longest span of 163 ft (49.7 m) and a deck 38 ft wide.

Who owns US 6 over RR - Wisconsin Central?

It is owned by the State Highway Agency.