US Bridges

Canyon Road over Birch Creek

Fair

Jo Daviess County, Illinois · 4 Mi. W. of Nora · Structure no. 043005000000000

Built
1994
31 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
97 ft
1 main span
Daily traffic
125
2021 count
Owner
State
State Highway Agency

About this bridge

Canyon Road over Birch Creek is a prestressed concrete stringer/multi-beam or girder carrying Canyon Road over Birch Creek in Jo Daviess County, Illinois. It was built in 1994, 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 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 125 vehicles a day, roughly 14% of them trucks, projected to reach 126 by 2046. The structure is 97 ft (29.6 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCanyon Road
CrossesBirch Creek
Location4 Mi. W. of Nora
RouteCounty Highway 0
Coordinates42.44502, -90.03521
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.5 US tons
Inventory rating42.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span94 ft (28.7 m)
Deck width34 ft (10.3 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic125 (2021)
Projected traffic126 by 2046
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 Birch Creek built?

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

What condition is Canyon Road over Birch 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 June 2023.

How much traffic does Canyon Road over Birch Creek carry?

About 125 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is Canyon Road over Birch Creek?

The structure is 97 ft (29.6 m) long with a longest span of 94 ft (28.7 m) and a deck 34 ft wide.

Who owns Canyon Road over Birch Creek?

It is owned by the State Highway Agency.