US Bridges

M-26 over Eagle River

Fair

Keweenaw County, Michigan · In Eagle River · Structure no. 000000000005262

Built
1988
37 years old
Condition
Fair
inspected June 2024
Type
Arch - Deck
Wood or Timber
Length
152 ft
1 main span
Daily traffic
60
2013 count
Owner
State
State Highway Agency

About this bridge

M-26 over Eagle River is a wood or timber arch - deck carrying M-26 over Eagle River in Keweenaw County, Michigan. It was built in 1988, so it is 37 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 60 vehicles a day, roughly 5% of them trucks, projected to reach 69 by 2033. The structure is 152 ft (46.4 m) long and 41 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesM-26
CrossesEagle River
LocationIn Eagle River
RouteState Highway 26
CountyKeweenaw County
StateMichigan
Coordinates47.41236, -88.29698
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating69.3 US tons
Inventory rating48.6 US tons

Structure

Structure typeArch - Deck
MaterialWood or Timber
DeckWood or timber
Main spans1 (+2 approach)
Design loadHS 25 or greater
Structure length152 ft (46.4 m)
Longest span79 ft (24.1 m)
Deck width41 ft (12.6 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2013)
Projected traffic69 by 2033
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
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-26 over Eagle River built?

It was built in 1988, making it 37 years old in 2025.

What condition is M-26 over Eagle River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2024.

How much traffic does M-26 over Eagle River carry?

About 60 vehicles per day (2013 count), of which roughly 5% are trucks.

How long is M-26 over Eagle River?

The structure is 152 ft (46.4 m) long with a longest span of 79 ft (24.1 m) and a deck 41 ft wide.

Who owns M-26 over Eagle River?

It is owned by the State Highway Agency.