US Bridges

CH-15 over Ten Mile Creek

Good

Hamilton County, Illinois · 3.25 MI SW Mcleansbo · Structure no. 033318400000000

Built
1977
48 years old
Condition
Good
inspected August 2024
Type
Channel Beam
Concrete
Length
52 ft
2 main spans
Daily traffic
150
2022 count
Owner
County
County Highway Agency

About this bridge

CH-15 over Ten Mile Creek is a concrete channel beam carrying CH-15 over Ten Mile Creek in Hamilton County, Illinois. It was built in 1977, so it is 48 years old, older 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 150 vehicles a day, roughly 17% of them trucks, projected to reach 253 by 2046. The structure is 52 ft (15.8 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesCH-15
CrossesTen Mile Creek
Location3.25 MI SW Mcleansbo
RouteCounty Highway 0
Coordinates38.07851, -88.59515
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length52 ft (15.8 m)
Longest span29 ft (8.8 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic253 by 2046
Trucks17%
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 Ten Mile Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is CH-15 over Ten Mile 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 August 2024.

How much traffic does CH-15 over Ten Mile Creek carry?

About 150 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is CH-15 over Ten Mile Creek?

The structure is 52 ft (15.8 m) long with a longest span of 29 ft (8.8 m) and a deck 26 ft wide.

Who owns CH-15 over Ten Mile Creek?

It is owned by the County Highway Agency.