US Bridges

Medinah RD over Spring Brook

Fair

DuPage County, Illinois · 0.5 MI N US-20 · Structure no. 022311200000000

Built
2005
20 years old
Condition
Fair
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
63 ft
1 main span
Daily traffic
9,200
2024 count
Owner
County
County Highway Agency

About this bridge

Medinah RD over Spring Brook is a steel stringer/multi-beam or girder carrying Medinah RD over Spring Brook in DuPage County, Illinois. It was built in 2005, so it is 20 years old, younger 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 9,200 vehicles a day, roughly 2% of them trucks, projected to reach 5,505 by 2046. The structure is 63 ft (19.1 m) long and 52 ft wide.

Location

Open in Google Maps
CarriesMedinah RD
CrossesSpring Brook
Location0.5 MI N US-20
CountyDuPage County
StateIllinois
Coordinates41.961, -88.05121
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span60 ft (18.3 m)
Deck width52 ft (15.8 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2024)
Projected traffic5,505 by 2046
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Medinah RD over Spring Brook built?

It was built in 2005, making it 20 years old in 2025.

What condition is Medinah RD over Spring Brook 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 2021.

How much traffic does Medinah RD over Spring Brook carry?

About 9,200 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Medinah RD over Spring Brook?

The structure is 63 ft (19.1 m) long with a longest span of 60 ft (18.3 m) and a deck 52 ft wide.

Who owns Medinah RD over Spring Brook?

It is owned by the County Highway Agency.