US Bridges

Il 390 EB over Mittel Bl

Good

DuPage County, Illinois · 1.9 MI E. of I 290 · Structure no. 022900500000000

Built
2015
10 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
153 ft
1 main span
Daily traffic
27,100
2023 count
Owner
Toll Authority
State Toll Authority

About this bridge

Il 390 EB over Mittel Bl is a steel stringer/multi-beam or girder carrying Il 390 EB over Mittel Bl in DuPage County, Illinois. It was built in 2015, so it is 10 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 27,100 vehicles a day, roughly 13% of them trucks, projected to reach 13,332 by 2046. The structure is 153 ft (46.7 m) long and 76 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesIl 390 EB
CrossesMittel Bl
Location1.9 MI E. of I 290
RouteState Highway 390
CountyDuPage County
StateIllinois
Coordinates41.98328, -87.98749
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating45.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length153 ft (46.7 m)
Longest span150 ft (45.7 m)
Deck width76 ft (23.3 m)
Roadway width73 ft (22.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,100 (2023)
Projected traffic13,332 by 2046
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a toll road
National Highway SystemYes

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
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 Il 390 EB over Mittel Bl built?

It was built in 2015, making it 10 years old in 2025.

What condition is Il 390 EB over Mittel Bl 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 August 2024.

How much traffic does Il 390 EB over Mittel Bl carry?

About 27,100 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is Il 390 EB over Mittel Bl?

The structure is 153 ft (46.7 m) long with a longest span of 150 ft (45.7 m) and a deck 76 ft wide.

Who owns Il 390 EB over Mittel Bl?

It is owned by the State Toll Authority.