US Bridges

N. Field Blvd. over Parking Area

Fair

Cook County, Illinois · Randolph to Benton · Structure no. 016624200000000

Built
2005
20 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
345 ft
5 main spans
Daily traffic
3,550
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

N. Field Blvd. over Parking Area is a prestressed concrete continuous stringer/multi-beam or girder carrying N. Field Blvd. over Parking Area in Cook County, Illinois. It was built in 2005, so it is 20 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 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 3,550 vehicles a day, roughly 9% of them trucks, projected to reach 4,394 by 2046. The structure is 345 ft (105.1 m) long and 98 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesN. Field Blvd.
CrossesParking Area
LocationRandolph to Benton
RouteCity Street 0
CountyCook County
StateIllinois
Coordinates41.88548, -87.61737
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length345 ft (105.1 m)
Longest span68 ft (20.7 m)
Deck width98 ft (29.9 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,550 (2022)
Projected traffic4,394 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed98.8 mi (159 km)
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was N. Field Blvd. over Parking Area built?

It was built in 2005, making it 20 years old in 2025.

What condition is N. Field Blvd. over Parking Area 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 April 2024.

How much traffic does N. Field Blvd. over Parking Area carry?

About 3,550 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is N. Field Blvd. over Parking Area?

The structure is 345 ft (105.1 m) long with a longest span of 68 ft (20.7 m) and a deck 98 ft wide.

Who owns N. Field Blvd. over Parking Area?

It is owned by the City or Municipal Highway Agency.