US Bridges

Irene RD over S Br Kishwaukee Riv.

Good

DeKalb County, Illinois · 3310 N 240 E · Structure no. 019401400000000

Built
2004
21 years old
Condition
Good
inspected April 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
266 ft
4 main spans
Daily traffic
625
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Irene RD over S Br Kishwaukee Riv. is a prestressed concrete stringer/multi-beam or girder carrying Irene RD over S Br Kishwaukee Riv. in DeKalb County, Illinois. It was built in 2004, so it is 21 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 625 vehicles a day, roughly 48% of them trucks, projected to reach 700 by 2046. The structure is 266 ft (81 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesIrene RD
CrossesS Br Kishwaukee Riv.
Location3310 N 240 E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates42.11008, -88.90057
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length266 ft (81 m)
Longest span65 ft (19.9 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic700 by 2046
Trucks48%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Irene RD over S Br Kishwaukee Riv. built?

It was built in 2004, making it 21 years old in 2025.

What condition is Irene RD over S Br Kishwaukee Riv. 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 April 2022.

How much traffic does Irene RD over S Br Kishwaukee Riv. carry?

About 625 vehicles per day (2021 count), of which roughly 48% are trucks.

How long is Irene RD over S Br Kishwaukee Riv.?

The structure is 266 ft (81 m) long with a longest span of 65 ft (19.9 m) and a deck 30 ft wide.

Who owns Irene RD over S Br Kishwaukee Riv.?

It is owned by the Town or Township Highway Agency.