US Bridges

Rakow RD (ch V-29) over Crystal Creek

Good

McHenry County, Illinois · 0.24 Mi. N of Ackman · Structure no. 056315700000000

Built
1994
31 years old, rebuilt 2010
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
23 ft
2 main spans
Daily traffic
30,600
2021 count
Owner
County
County Highway Agency

About this bridge

Rakow RD (ch V-29) over Crystal Creek is a concrete culvert carrying Rakow RD (ch V-29) over Crystal Creek in McHenry County, Illinois. It was built in 1994 and reconstructed in 2010, so it is 31 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 30,600 vehicles a day, roughly 4% of them trucks, projected to reach 18,360 by 2046. The structure is 23 ft (7.1 m) long and 112 ft wide.

CarriesRakow RD (ch V-29)
CrossesCrystal Creek
Location0.24 Mi. N of Ackman
Coordinates42.20703, -88.3357
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7.1 m)
Longest span11 ft (3.4 m)
Deck width112 ft (34.1 m)
Roadway width81 ft (24.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30,600 (2021)
Projected traffic18,360 by 2046
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 Rakow RD (ch V-29) over Crystal Creek built?

It was built in 1994, making it 31 years old in 2025. It was reconstructed in 2010.

What condition is Rakow RD (ch V-29) over Crystal Creek 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 2022.

How much traffic does Rakow RD (ch V-29) over Crystal Creek carry?

About 30,600 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Rakow RD (ch V-29) over Crystal Creek?

The structure is 23 ft (7.1 m) long with a longest span of 11 ft (3.4 m) and a deck 112 ft wide.

Who owns Rakow RD (ch V-29) over Crystal Creek?

It is owned by the County Highway Agency.