US Bridges

Leonard DR over Spinney Run CR

FairPosted for load

Lake County, Illinois · 700 Ft N Ill Rt 120 · Structure no. 049640000000000

Built
1977
48 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
70 ft
3 main spans
Daily traffic
800
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Leonard DR over Spinney Run CR is a concrete tee beam carrying Leonard DR over Spinney Run CR in Lake County, Illinois. It was built in 1977, so it is 48 years old, older 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. Its operating status is: posted for load restriction.

It carries about 800 vehicles a day, roughly 2% of them trucks, projected to reach 909 by 2046. The structure is 70 ft (21.3 m) long and 37 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesLeonard DR
CrossesSpinney Run CR
Location700 Ft N Ill Rt 120
RouteCity Street 0
CountyLake County
StateIllinois
Coordinates42.34329, -87.95041
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.5 US tons
Inventory rating13.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadH 15
Structure length70 ft (21.3 m)
Longest span26 ft (7.9 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic909 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Leonard DR over Spinney Run CR built?

It was built in 1977, making it 48 years old in 2025.

What condition is Leonard DR over Spinney Run CR 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 September 2023.

How much traffic does Leonard DR over Spinney Run CR carry?

About 800 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Leonard DR over Spinney Run CR?

The structure is 70 ft (21.3 m) long with a longest span of 26 ft (7.9 m) and a deck 37 ft wide.

Who owns Leonard DR over Spinney Run CR?

It is owned by the City or Municipal Highway Agency.