US Bridges

NB Lsd Ramp to Il over Land & Ogden Slip

Fair

Cook County, Illinois · 400 N. & 484 E. · Structure no. 016610600000000

Built
1986
39 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
365 ft
4 main spans
Daily traffic
7,600
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

NB Lsd Ramp to Il over Land & Ogden Slip is a steel continuous stringer/multi-beam or girder carrying NB Lsd Ramp to Il over Land & Ogden Slip in Cook County, Illinois. It was built in 1986, so it is 39 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 7,600 vehicles a day, roughly 5% of them trucks, projected to reach 5,050 by 2046. The structure is 365 ft (111.3 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesNB Lsd Ramp to Il
CrossesLand & Ogden Slip
Location400 N. & 484 E.
CountyCook County
StateIllinois
Coordinates41.88932, -87.61387
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.7 US tons
Inventory rating32.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length365 ft (111.3 m)
Longest span97 ft (29.5 m)
Deck width25 ft (7.6 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2024)
Projected traffic5,050 by 2046
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesOther
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 NB Lsd Ramp to Il over Land & Ogden Slip built?

It was built in 1986, making it 39 years old in 2025.

What condition is NB Lsd Ramp to Il over Land & Ogden Slip 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 2024.

How much traffic does NB Lsd Ramp to Il over Land & Ogden Slip carry?

About 7,600 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is NB Lsd Ramp to Il over Land & Ogden Slip?

The structure is 365 ft (111.3 m) long with a longest span of 97 ft (29.5 m) and a deck 25 ft wide.

Who owns NB Lsd Ramp to Il over Land & Ogden Slip?

It is owned by the City or Municipal Highway Agency.