US Bridges

US 12 45 NB Mannhe over I-190 Jfk

Fair

Cook County, Illinois · 1 M N Lawrence · Structure no. 016271800000000

Built
2005
20 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
442 ft
4 main spans
Daily traffic
48,800
2023 count
Owner
State
State Highway Agency

About this bridge

US 12 45 NB Mannhe over I-190 Jfk is a steel continuous stringer/multi-beam or girder carrying US 12 45 NB Mannhe over I-190 Jfk 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 48,800 vehicles a day, roughly 7% of them trucks, projected to reach 11,868 by 2046. The structure is 442 ft (134.6 m) long and 53 ft wide.

Location

Open in Google Maps
CarriesUS 12 45 NB Mannhe
CrossesI-190 Jfk
Location1 M N Lawrence
RouteU.S. Route 12
CountyCook County
StateIllinois
Coordinates41.98079, -87.87901
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating59.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length442 ft (134.6 m)
Longest span115 ft (35.1 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,800 (2023)
Projected traffic11,868 by 2046
Trucks7%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 12 45 NB Mannhe over I-190 Jfk built?

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

What condition is US 12 45 NB Mannhe over I-190 Jfk 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 June 2023.

How much traffic does US 12 45 NB Mannhe over I-190 Jfk carry?

About 48,800 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is US 12 45 NB Mannhe over I-190 Jfk?

The structure is 442 ft (134.6 m) long with a longest span of 115 ft (35.1 m) and a deck 53 ft wide.

Who owns US 12 45 NB Mannhe over I-190 Jfk?

It is owned by the State Highway Agency.