US Bridges

Il 132 over Mill Creek

Fair

Lake County, Illinois · 0.3 M E of US45 · Structure no. 049056100000000

Built
1969
56 years old
Condition
Fair
inspected February 2025
Type
Culvert
Concrete
Length
27 ft
3 main spans
Daily traffic
14,500
2023 count
Owner
State
State Highway Agency

About this bridge

Il 132 over Mill Creek is a concrete culvert carrying Il 132 over Mill Creek in Lake County, Illinois. It was built in 1969, so it is 56 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.

It carries about 14,500 vehicles a day, roughly 2% of them trucks, projected to reach 16,665 by 2046. The structure is 27 ft (8.2 m) long.

CarriesIl 132
CrossesMill Creek
Location0.3 M E of US45
RouteState Highway 132
Coordinates42.38587, -87.99806
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2023)
Projected traffic16,665 by 2046
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Il 132 over Mill Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Il 132 over Mill Creek 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 February 2025.

How much traffic does Il 132 over Mill Creek carry?

About 14,500 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Il 132 over Mill Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Il 132 over Mill Creek?

It is owned by the State Highway Agency.