US Bridges

Minnegan RD over S Br Kishwaukee Riv.

Good

DeKalb County, Illinois · 1400N 585E · Structure no. 019490800000000

Built
1999
26 years old
Condition
Good
inspected March 2022
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
25
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Minnegan RD over S Br Kishwaukee Riv. is a concrete channel beam carrying Minnegan RD over S Br Kishwaukee Riv. in DeKalb County, Illinois. It was built in 1999, so it is 26 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 25 vehicles a day, projected to reach 28 by 2046. The structure is 40 ft (12.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMinnegan RD
CrossesS Br Kishwaukee Riv.
Location1400N 585E
RouteCounty Highway 0
CountyDeKalb County
StateIllinois
Coordinates41.83411, -88.83131
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span37 ft (11.4 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic28 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Minnegan RD over S Br Kishwaukee Riv. built?

It was built in 1999, making it 26 years old in 2025.

What condition is Minnegan 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 March 2022.

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

About 25 vehicles per day (2021 count).

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

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.4 m) and a deck 26 ft wide.

Who owns Minnegan RD over S Br Kishwaukee Riv.?

It is owned by the Town or Township Highway Agency.