US Bridges

Ackman RD over Trib Kishwaukee Rvr

Good

McHenry County, Illinois · 0.3 MI W Il 47 · Structure no. 056600800000000

Built
2006
19 years old
Condition
Good
inspected August 2024
Type
Frame
Concrete
Length
44 ft
1 main span
Daily traffic
2,400
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Ackman RD over Trib Kishwaukee Rvr is a concrete frame carrying Ackman RD over Trib Kishwaukee Rvr in McHenry County, Illinois. It was built in 2006, so it is 19 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 2,400 vehicles a day, roughly 5% of them trucks, projected to reach 2,880 by 2046. The structure is 44 ft (13.3 m) long and 109 ft wide.

CarriesAckman RD
CrossesTrib Kishwaukee Rvr
Location0.3 MI W Il 47
RouteCity Street 0
Coordinates42.1993, -88.4285
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length44 ft (13.3 m)
Longest span41 ft (12.5 m)
Deck width109 ft (33.3 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2021)
Projected traffic2,880 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Ackman RD over Trib Kishwaukee Rvr built?

It was built in 2006, making it 19 years old in 2025.

What condition is Ackman RD over Trib Kishwaukee Rvr 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 August 2024.

How much traffic does Ackman RD over Trib Kishwaukee Rvr carry?

About 2,400 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Ackman RD over Trib Kishwaukee Rvr?

The structure is 44 ft (13.3 m) long with a longest span of 41 ft (12.5 m) and a deck 109 ft wide.

Who owns Ackman RD over Trib Kishwaukee Rvr?

It is owned by the City or Municipal Highway Agency.