US Bridges

CH-15 over Contrary Creek

Good

Hamilton County, Illinois · 7 MI SW Mcleansboro · Structure no. 033320200000000

Built
1983
42 years old
Condition
Good
inspected February 2022
Type
Channel Beam
Concrete
Length
104 ft
3 main spans
Daily traffic
50
2022 count
Owner
County
County Highway Agency

About this bridge

CH-15 over Contrary Creek is a concrete channel beam carrying CH-15 over Contrary Creek in Hamilton County, Illinois. It was built in 1983, so it is 42 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 12% of them trucks, projected to reach 51 by 2046. The structure is 104 ft (31.7 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCH-15
CrossesContrary Creek
Location7 MI SW Mcleansboro
RouteCounty Highway 0
Coordinates38.03472, -88.60647
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span33 ft (10.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic51 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 CH-15 over Contrary Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is CH-15 over Contrary Creek 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 February 2022.

How much traffic does CH-15 over Contrary Creek carry?

About 50 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is CH-15 over Contrary Creek?

The structure is 104 ft (31.7 m) long with a longest span of 33 ft (10.1 m) and a deck 26 ft wide.

Who owns CH-15 over Contrary Creek?

It is owned by the County Highway Agency.