US Bridges

US 45 over Milburn CR

Good

Lake County, Illinois · 1M N of Sand Lake RD · Structure no. 049061000000000

Built
2019
6 years old
Condition
Good
inspected February 2022
Type
Frame
Concrete
Length
42 ft
1 main span
Daily traffic
6,000
2019 count
Owner
State
State Highway Agency

About this bridge

US 45 over Milburn CR is a concrete frame carrying US 45 over Milburn CR in Lake County, Illinois. It was built in 2019, so it is 6 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,000 vehicles a day, roughly 7% of them trucks, projected to reach 6,060 by 2046. The structure is 42 ft (12.8 m) long and 104 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS 45
CrossesMilburn CR
Location1M N of Sand Lake RD
RouteU.S. Route 45
CountyLake County
StateIllinois
Coordinates42.42034, -88.00559
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length42 ft (12.8 m)
Longest span0 ft (0 m)
Deck width104 ft (31.7 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,000 (2019)
Projected traffic6,060 by 2046
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 US 45 over Milburn CR built?

It was built in 2019, making it 6 years old in 2025.

What condition is US 45 over Milburn CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2022.

How much traffic does US 45 over Milburn CR carry?

About 6,000 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is US 45 over Milburn CR?

The structure is 42 ft (12.8 m) long and a deck 104 ft wide.

Who owns US 45 over Milburn CR?

It is owned by the State Highway Agency.