US Bridges

Wolf RD over Wellers Ditch

Good

Cook County, Illinois · 0.1 M S Il 58 · Structure no. 016200900000000

Built
1960
65 years old
Condition
Good
inspected May 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
11,000
2023 count
Owner
State
State Highway Agency

About this bridge

Wolf RD over Wellers Ditch is a prestressed concrete box beam or girders - multiple carrying Wolf RD over Wellers Ditch in Cook County, Illinois. It was built in 1960, so it is 65 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 11,000 vehicles a day, roughly 5% of them trucks, projected to reach 9,747 by 2046. The structure is 30 ft (9.2 m) long and 68 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesWolf RD
CrossesWellers Ditch
Location0.1 M S Il 58
CountyCook County
StateIllinois
Coordinates42.04871, -87.91211
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 protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.2 US tons
Inventory rating40.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span12 ft (3.7 m)
Deck width68 ft (20.7 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,000 (2023)
Projected traffic9,747 by 2046
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$49,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Wolf RD over Wellers Ditch built?

It was built in 1960, making it 65 years old in 2025.

What condition is Wolf RD over Wellers Ditch 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 May 2023.

How much traffic does Wolf RD over Wellers Ditch carry?

About 11,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Wolf RD over Wellers Ditch?

The structure is 30 ft (9.2 m) long with a longest span of 12 ft (3.7 m) and a deck 68 ft wide.

Who owns Wolf RD over Wellers Ditch?

It is owned by the State Highway Agency.