US Bridges

Algonquin Road over Woods Crk W Randall

Good

McHenry County, Illinois · 0.7 MI W Randall RD · Structure no. 056317200000000

Built
2007
18 years old
Condition
Good
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
22,300
2021 count
Owner
County
County Highway Agency

About this bridge

Algonquin Road over Woods Crk W Randall is a steel stringer/multi-beam or girder carrying Algonquin Road over Woods Crk W Randall in McHenry County, Illinois. It was built in 2007, so it is 18 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 22,300 vehicles a day, roughly 5% of them trucks, projected to reach 26,760 by 2046. The structure is 60 ft (18.2 m) long and 87 ft wide.

CarriesAlgonquin Road
CrossesWoods Crk W Randall
Location0.7 MI W Randall RD
Coordinates42.17561, -88.34726
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.8 US tons
Inventory rating28.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length60 ft (18.2 m)
Longest span57 ft (17.4 m)
Deck width87 ft (26.6 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,300 (2021)
Projected traffic26,760 by 2046
Trucks5%
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 Algonquin Road over Woods Crk W Randall built?

It was built in 2007, making it 18 years old in 2025.

What condition is Algonquin Road over Woods Crk W Randall 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 2024.

How much traffic does Algonquin Road over Woods Crk W Randall carry?

About 22,300 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Algonquin Road over Woods Crk W Randall?

The structure is 60 ft (18.2 m) long with a longest span of 57 ft (17.4 m) and a deck 87 ft wide.

Who owns Algonquin Road over Woods Crk W Randall?

It is owned by the County Highway Agency.