US Bridges

M-26 over Eagle River

Fair

Keweenaw County, Michigan · 0.25 MI N of Phoenix · Structure no. 000000000005259

Built
1987
38 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
849
2007 count
Owner
State
State Highway Agency

About this bridge

M-26 over Eagle River is a steel stringer/multi-beam or girder carrying M-26 over Eagle River in Keweenaw County, Michigan. It was built in 1987, so it is 38 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 849 vehicles a day, roughly 5% of them trucks, projected to reach 507 by 2018. The structure is 68 ft (20.7 m) long and 41 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesM-26
CrossesEagle River
Location0.25 MI N of Phoenix
RouteState Highway 26
Coordinates47.39267, -88.27675
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length68 ft (20.7 m)
Longest span64 ft (19.6 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic849 (2007)
Projected traffic507 by 2018
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 1987, making it 38 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 August 2024.

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

About 849 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is M-26 over Eagle River?

The structure is 68 ft (20.7 m) long with a longest span of 64 ft (19.6 m) and a deck 41 ft wide.

Who owns M-26 over Eagle River?

It is owned by the State Highway Agency.