US Bridges

US-41 over Pike River

Fair

Houghton County, Michigan · 0.7 MI S of Chassel · Structure no. 000000000003404

Built
1954
71 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
54 ft
1 main span
Daily traffic
3,883
2007 count
Owner
State
State Highway Agency

About this bridge

US-41 over Pike River is a steel stringer/multi-beam or girder carrying US-41 over Pike River in Houghton County, Michigan. It was built in 1954, so it is 71 years old, older 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 3,883 vehicles a day, roughly 10% of them trucks, projected to reach 4,337 by 2018. The structure is 54 ft (16.5 m) long and 43 ft wide. If it were closed, the detour would be 60.3 mi (97 km).

CarriesUS-41
CrossesPike River
Location0.7 MI S of Chassel
RouteU.S. Route 41
Coordinates47.01929, -88.52526
Functional classRural Principal Arterial - Other

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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98.9 US tons
Inventory rating59.3 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.5 m)
Longest span52 ft (16 m)
Deck width43 ft (13.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,883 (2007)
Projected traffic4,337 by 2018
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed60.3 mi (97 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 US-41 over Pike River built?

It was built in 1954, making it 71 years old in 2025.

What condition is US-41 over Pike 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 July 2023.

How much traffic does US-41 over Pike River carry?

About 3,883 vehicles per day (2007 count), of which roughly 10% are trucks.

How long is US-41 over Pike River?

The structure is 54 ft (16.5 m) long with a longest span of 52 ft (16 m) and a deck 43 ft wide.

Who owns US-41 over Pike River?

It is owned by the State Highway Agency.