US Bridges

County Line Road over N. Kinnickinnick Crk

Fair

Winnebago County, Illinois · 1.1 MI N Elevator RD · Structure no. 101303200000000

Built
1960
65 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
41 ft
3 main spans
Daily traffic
800
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

County Line Road over N. Kinnickinnick Crk is a concrete continuous culvert carrying County Line Road over N. Kinnickinnick Crk in Winnebago County, Illinois. It was built in 1960, so it is 65 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 800 vehicles a day, roughly 19% of them trucks, projected to reach 833 by 2046. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty Line Road
CrossesN. Kinnickinnick Crk
Location1.1 MI N Elevator RD
RouteCounty Highway 0
Coordinates42.44514, -88.94066
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 rating44.6 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 15
Structure length41 ft (12.4 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic800 (2023)
Projected traffic833 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 County Line Road over N. Kinnickinnick Crk built?

It was built in 1960, making it 65 years old in 2025.

What condition is County Line Road over N. Kinnickinnick Crk 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 County Line Road over N. Kinnickinnick Crk carry?

About 800 vehicles per day (2023 count), of which roughly 19% are trucks.

How long is County Line Road over N. Kinnickinnick Crk?

The structure is 41 ft (12.4 m) long with a longest span of 15 ft (4.5 m).

Who owns County Line Road over N. Kinnickinnick Crk?

It is owned by the Town or Township Highway Agency.