US Bridges

Old Willow Road over Mid Fk N Br Chi Riv

Fair

Cook County, Illinois · 0.3 M W US41 P14 · Structure no. 016759500000000

Built
1995
30 years old
Condition
Fair
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
600
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Old Willow Road over Mid Fk N Br Chi Riv is a prestressed concrete box beam or girders - multiple carrying Old Willow Road over Mid Fk N Br Chi Riv in Cook County, Illinois. It was built in 1995, so it is 30 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 600 vehicles a day, roughly 9% of them trucks, projected to reach 1,364 by 2046. The structure is 43 ft (13 m) long and 38 ft wide.

CarriesOld Willow Road
CrossesMid Fk N Br Chi Riv
Location0.3 M W US41 P14
RouteCity Street 0
Coordinates42.10523, -87.77879
Functional classUrban Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length43 ft (13 m)
Longest span38 ft (11.6 m)
Deck width38 ft (11.6 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic1,364 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Old Willow Road over Mid Fk N Br Chi Riv built?

It was built in 1995, making it 30 years old in 2025.

What condition is Old Willow Road over Mid Fk N Br Chi Riv 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 December 2024.

How much traffic does Old Willow Road over Mid Fk N Br Chi Riv carry?

About 600 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Old Willow Road over Mid Fk N Br Chi Riv?

The structure is 43 ft (13 m) long with a longest span of 38 ft (11.6 m) and a deck 38 ft wide.

Who owns Old Willow Road over Mid Fk N Br Chi Riv?

It is owned by the City or Municipal Highway Agency.