US Bridges

Caledonia Road over S. Kinnikinnick Cr.

Good

Boone County, Illinois · 3.3 Mi. N. Caledonia · Structure no. 004500800000000

Built
1995
30 years old
Condition
Good
inspected July 2021
Type
Culvert
Concrete
Length
47 ft
4 main spans
Daily traffic
1,000
2023 count
Owner
County
County Highway Agency

About this bridge

Caledonia Road over S. Kinnikinnick Cr. is a concrete culvert carrying Caledonia Road over S. Kinnikinnick Cr. in Boone County, Illinois. It was built in 1995, so it is 30 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,000 vehicles a day, roughly 5% of them trucks, projected to reach 1,092 by 2046. The structure is 47 ft (14.4 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCaledonia Road
CrossesS. Kinnikinnick Cr.
Location3.3 Mi. N. Caledonia
RouteCounty Highway 0
CountyBoone County
StateIllinois
Coordinates42.41694, -88.91484
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length47 ft (14.4 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2023)
Projected traffic1,092 by 2046
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
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 Caledonia Road over S. Kinnikinnick Cr. built?

It was built in 1995, making it 30 years old in 2025.

What condition is Caledonia Road over S. Kinnikinnick Cr. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2021.

How much traffic does Caledonia Road over S. Kinnikinnick Cr. carry?

About 1,000 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Caledonia Road over S. Kinnikinnick Cr.?

The structure is 47 ft (14.4 m) long with a longest span of 11 ft (3.4 m).

Who owns Caledonia Road over S. Kinnikinnick Cr.?

It is owned by the County Highway Agency.