US Bridges

Kishwaukee Valley over N Br Kishwaukee Riv

Good

McHenry County, Illinois · 0.3 MI E Sullivan RD · Structure no. 056317700000000

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
123 ft
2 main spans
Daily traffic
4,700
2024 count
Owner
County
County Highway Agency

About this bridge

Kishwaukee Valley over N Br Kishwaukee Riv is a prestressed concrete continuous stringer/multi-beam or girder carrying Kishwaukee Valley over N Br Kishwaukee Riv in McHenry County, Illinois. It was built in 2010, so it is 15 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 4,700 vehicles a day, roughly 10% of them trucks, projected to reach 4,980 by 2046. The structure is 123 ft (37.5 m) long and 43 ft wide.

CarriesKishwaukee Valley
CrossesN Br Kishwaukee Riv
Location0.3 MI E Sullivan RD
RouteCounty Highway 0
Coordinates42.31289, -88.55333
Functional classRural Major Collector

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.3 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length123 ft (37.5 m)
Longest span65 ft (19.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2024)
Projected traffic4,980 by 2046
Trucks10%
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 Kishwaukee Valley over N Br Kishwaukee Riv built?

It was built in 2010, making it 15 years old in 2025.

What condition is Kishwaukee Valley over N 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 October 2024.

How much traffic does Kishwaukee Valley over N Br Kishwaukee Riv carry?

About 4,700 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Kishwaukee Valley over N Br Kishwaukee Riv?

The structure is 123 ft (37.5 m) long with a longest span of 65 ft (19.9 m) and a deck 43 ft wide.

Who owns Kishwaukee Valley over N Br Kishwaukee Riv?

It is owned by the County Highway Agency.