US Bridges

M-28 over Mud Creek

Good

Gogebic County, Michigan · 1.0 MI W of Ontonagon Col · Structure no. 000000000002971

Built
1957
68 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
1,845
2007 count
Owner
State
State Highway Agency

About this bridge

M-28 over Mud Creek is a concrete tee beam carrying M-28 over Mud Creek in Gogebic County, Michigan. It was built in 1957, so it is 68 years old, older 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 1,845 vehicles a day, roughly 16% of them trucks, projected to reach 1,814 by 2018. The structure is 29 ft (8.8 m) long and 44 ft wide. If it were closed, the detour would be 57.2 mi (92 km).

Location

Open in Google Maps
CarriesM-28
CrossesMud Creek
Location1.0 MI W of Ontonagon Col
RouteState Highway 28
CountyGogebic County
StateMichigan
Coordinates46.54744, -89.76137
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66 US tons
Inventory rating39.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span28 ft (8.4 m)
Deck width44 ft (13.4 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,845 (2007)
Projected traffic1,814 by 2018
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed57.2 mi (92 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$21,000
NavigationNo navigation control on waterway

Frequently asked questions

When was M-28 over Mud Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is M-28 over Mud 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 May 2024.

How much traffic does M-28 over Mud Creek carry?

About 1,845 vehicles per day (2007 count), of which roughly 16% are trucks.

How long is M-28 over Mud Creek?

The structure is 29 ft (8.8 m) long with a longest span of 28 ft (8.4 m) and a deck 44 ft wide.

Who owns M-28 over Mud Creek?

It is owned by the State Highway Agency.