US Bridges

M-123 over Kneebone Creek

Good

Chippewa County, Michigan · SE Limits of Trout Lake · Structure no. 000000000001566

Built
2003
22 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
1,388
2007 count
Owner
State
State Highway Agency

About this bridge

M-123 over Kneebone Creek is a concrete culvert carrying M-123 over Kneebone Creek in Chippewa County, Michigan. It was built in 2003, so it is 22 years old, younger than the Michigan average of 48.3 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 1,388 vehicles a day, roughly 8% of them trucks, projected to reach 1,723 by 2018. The structure is 22 ft (6.6 m) long.

CarriesM-123
CrossesKneebone Creek
LocationSE Limits of Trout Lake
RouteState Highway 123
Coordinates46.19306, -85.01823
Functional classRural Minor Arterial

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.
Culvert7 GoodSome minor problems.
Last inspectionOctober 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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.7 US tons
Inventory rating42.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length22 ft (6.6 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,388 (2007)
Projected traffic1,723 by 2018
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 M-123 over Kneebone Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is M-123 over Kneebone 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 October 2024.

How much traffic does M-123 over Kneebone Creek carry?

About 1,388 vehicles per day (2007 count), of which roughly 8% are trucks.

How long is M-123 over Kneebone Creek?

The structure is 22 ft (6.6 m) long with a longest span of 20 ft (6.1 m).

Who owns M-123 over Kneebone Creek?

It is owned by the State Highway Agency.