US Bridges

Trout Lake Road over W Br of Pine River

Fair

Chippewa County, Michigan · 1.5 MI W of Rudyard · Structure no. 000000000001621

Built
1980
45 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
195 ft
3 main spans
Daily traffic
290
1986 count
Owner
County
County Highway Agency

About this bridge

Trout Lake Road over W Br of Pine River is a steel continuous stringer/multi-beam or girder carrying Trout Lake Road over W Br of Pine River in Chippewa County, Michigan. It was built in 1980, so it is 45 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 290 vehicles a day, projected to reach 505 by 2019. The structure is 195 ft (59.4 m) long and 33 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

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CarriesTrout Lake Road
CrossesW Br of Pine River
Location1.5 MI W of Rudyard
RouteCounty Highway 1734
CountyChippewa County
StateMichigan
Coordinates46.23044, -84.6321
Functional classRural Major Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating52.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length195 ft (59.4 m)
Longest span77 ft (23.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (1986)
Projected traffic505 by 2019
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Trout Lake Road over W Br of Pine River built?

It was built in 1980, making it 45 years old in 2025.

What condition is Trout Lake Road over W Br of Pine 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 2023.

How much traffic does Trout Lake Road over W Br of Pine River carry?

About 290 vehicles per day (1986 count).

How long is Trout Lake Road over W Br of Pine River?

The structure is 195 ft (59.4 m) long with a longest span of 77 ft (23.4 m) and a deck 33 ft wide.

Who owns Trout Lake Road over W Br of Pine River?

It is owned by the County Highway Agency.