US Bridges

M-46 over Sucker Creek

Good

Tuscola County, Michigan · 2.8 MI E of M-24 · Structure no. 000000000013591

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
53 ft
1 main span
Daily traffic
4,040
2012 count
Owner
State
State Highway Agency

About this bridge

M-46 over Sucker Creek is a concrete culvert carrying M-46 over Sucker Creek in Tuscola County, Michigan. It was built in 2012, so it is 13 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 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 4,040 vehicles a day, roughly 9% of them trucks, projected to reach 4,509 by 2032. The structure is 53 ft (16.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesM-46
CrossesSucker Creek
Location2.8 MI E of M-24
RouteState Highway 46
Coordinates43.41017, -83.3289
Functional classRural Principal Arterial - Other

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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating63.6 US tons
Inventory rating48.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadGreater than HL 93
Structure length53 ft (16.3 m)
Longest span50 ft (15.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,040 (2012)
Projected traffic4,509 by 2032
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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-46 over Sucker Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is M-46 over Sucker 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-46 over Sucker Creek carry?

About 4,040 vehicles per day (2012 count), of which roughly 9% are trucks.

How long is M-46 over Sucker Creek?

The structure is 53 ft (16.3 m) long with a longest span of 50 ft (15.2 m).

Who owns M-46 over Sucker Creek?

It is owned by the State Highway Agency.