US Bridges

Canyon Road over Wolf Creek

Fair

Jo Daviess County, Illinois · 1.4 MI W of Il 78 · Structure no. 043004400000000

Built
1990
35 years old
Condition
Fair
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
250
2023 count
Owner
State
State Highway Agency

About this bridge

Canyon Road over Wolf Creek is a prestressed concrete box beam or girders - multiple carrying Canyon Road over Wolf Creek in Jo Daviess 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 250 vehicles a day, roughly 20% of them trucks, projected to reach 278 by 2046. The structure is 63 ft (19.1 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCanyon Road
CrossesWolf Creek
Location1.4 MI W of Il 78
RouteCounty Highway 0
Coordinates42.44465, -90.01295
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.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating43.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span59 ft (18 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2023)
Projected traffic278 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Canyon Road over Wolf Creek built?

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

What condition is Canyon Road over Wolf 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 November 2023.

How much traffic does Canyon Road over Wolf Creek carry?

About 250 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Canyon Road over Wolf Creek?

The structure is 63 ft (19.1 m) long with a longest span of 59 ft (18 m) and a deck 28 ft wide.

Who owns Canyon Road over Wolf Creek?

It is owned by the State Highway Agency.