US Bridges

Shirley Road over Br S Br Kishwaukee R

Fair

Winnebago County, Illinois · 0.5 MI N Edson Road · Structure no. 101506100000000

Built
1963
62 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete
Length
34 ft
3 main spans
Daily traffic
75
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Shirley Road over Br S Br Kishwaukee R is a concrete culvert carrying Shirley Road over Br S Br Kishwaukee R in Winnebago County, Illinois. It was built in 1963, so it is 62 years old, older 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 75 vehicles a day, roughly 19% of them trucks, projected to reach 177 by 2046. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesShirley Road
CrossesBr S Br Kishwaukee R
Location0.5 MI N Edson Road
RouteCounty Highway 0
CountyWinnebago County
StateIllinois
Coordinates42.15862, -88.95933
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2022)
Projected traffic177 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 Shirley Road over Br S Br Kishwaukee R built?

It was built in 1963, making it 62 years old in 2025.

What condition is Shirley Road over Br S Br Kishwaukee R 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 2024.

How much traffic does Shirley Road over Br S Br Kishwaukee R carry?

About 75 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is Shirley Road over Br S Br Kishwaukee R?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Shirley Road over Br S Br Kishwaukee R?

It is owned by the Town or Township Highway Agency.