US Bridges

Market St-Il 120RM over Unused Land

Poor

Lake County, Illinois · 200 Ft E Sheridan RD · Structure no. 049015100000000

Built
1966
59 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
832 ft
13 main spans
Daily traffic
450
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Market St-Il 120RM over Unused Land is a prestressed concrete continuous stringer/multi-beam or girder carrying Market St-Il 120RM over Unused Land in Lake County, Illinois. It was built in 1966, so it is 59 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 450 vehicles a day, roughly 17% of them trucks, projected to reach 505 by 2046. The structure is 832 ft (253.6 m) long and 37 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMarket St-Il 120RM
CrossesUnused Land
Location200 Ft E Sheridan RD
CountyLake County
StateIllinois
Coordinates42.35508, -87.82869
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating72.9 US tons
Inventory rating43.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckOther
Main spans13
Design loadHS 20
Structure length832 ft (253.6 m)
Longest span64 ft (19.4 m)
Deck width37 ft (11.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2023)
Projected traffic505 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Market St-Il 120RM over Unused Land built?

It was built in 1966, making it 59 years old in 2025.

What condition is Market St-Il 120RM over Unused Land in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2023.

How much traffic does Market St-Il 120RM over Unused Land carry?

About 450 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Market St-Il 120RM over Unused Land?

The structure is 832 ft (253.6 m) long with a longest span of 64 ft (19.4 m) and a deck 37 ft wide.

Who owns Market St-Il 120RM over Unused Land?

It is owned by the City or Municipal Highway Agency.