US Bridges

Mcguire RD over N.Br. Kishawaukee

Fair

McHenry County, Illinois · 1.2MI W Alden RD · Structure no. 056316100000000

Built
1996
29 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
108 ft
2 main spans
Daily traffic
2,650
2024 count
Owner
County
County Highway Agency

About this bridge

Mcguire RD over N.Br. Kishawaukee is a prestressed concrete box beam or girders - multiple carrying Mcguire RD over N.Br. Kishawaukee in McHenry County, Illinois. It was built in 1996, so it is 29 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 5 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 2,650 vehicles a day, roughly 12% of them trucks, projected to reach 2,880 by 2046. The structure is 108 ft (32.9 m) long and 36 ft wide.

Location

Open in Google Maps
CarriesMcguire RD
CrossesN.Br. Kishawaukee
Location1.2MI W Alden RD
RouteCounty Highway 0
CountyMcHenry County
StateIllinois
Coordinates42.39989, -88.52326
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating57.1 US tons
Inventory rating34.3 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length108 ft (32.9 m)
Longest span62 ft (18.8 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,650 (2024)
Projected traffic2,880 by 2046
Trucks12%
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 Mcguire RD over N.Br. Kishawaukee built?

It was built in 1996, making it 29 years old in 2025.

What condition is Mcguire RD over N.Br. Kishawaukee 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 September 2024.

How much traffic does Mcguire RD over N.Br. Kishawaukee carry?

About 2,650 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Mcguire RD over N.Br. Kishawaukee?

The structure is 108 ft (32.9 m) long with a longest span of 62 ft (18.8 m) and a deck 36 ft wide.

Who owns Mcguire RD over N.Br. Kishawaukee?

It is owned by the County Highway Agency.