US Bridges

Kishwaukee Valley over Rush Creek

Fair

McHenry County, Illinois · 3.0M.W.OF IL-23 · Structure no. 056315000000000

Built
1990
35 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
3,550
2024 count
Owner
County
County Highway Agency

About this bridge

Kishwaukee Valley over Rush Creek is a prestressed concrete box beam or girders - multiple carrying Kishwaukee Valley over Rush Creek in McHenry County, Illinois. It was built in 1990, so it is 35 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 3,550 vehicles a day, roughly 7% of them trucks, projected to reach 4,200 by 2046. The structure is 142 ft (43.3 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesKishwaukee Valley
CrossesRush Creek
Location3.0M.W.OF IL-23
RouteCounty Highway 0
CountyMcHenry County
StateIllinois
Coordinates42.31303, -88.65894
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.7 US tons
Inventory rating39.2 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span50 ft (15.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,550 (2024)
Projected traffic4,200 by 2046
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
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 Rush Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Kishwaukee Valley over Rush Creek 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 October 2024.

How much traffic does Kishwaukee Valley over Rush Creek carry?

About 3,550 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Kishwaukee Valley over Rush Creek?

The structure is 142 ft (43.3 m) long with a longest span of 50 ft (15.3 m) and a deck 28 ft wide.

Who owns Kishwaukee Valley over Rush Creek?

It is owned by the County Highway Agency.