US Bridges

County HWY F41 over Pine River

Fair

Alcona County, Michigan · 3.00 MI S of Mikado · Structure no. 000000000000015

Built
1956
69 years old, rebuilt 2022
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
196 ft
4 main spans
Daily traffic
2,250
2021 count
Owner
County
County Highway Agency

About this bridge

County HWY F41 over Pine River is a steel stringer/multi-beam or girder carrying County HWY F41 over Pine River in Alcona County, Michigan. It was built in 1956 and reconstructed in 2022, so it is 69 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 2,250 vehicles a day, roughly 15% of them trucks, projected to reach 2,750 by 2041. The structure is 196 ft (59.6 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesCounty HWY F41
CrossesPine River
Location3.00 MI S of Mikado
RouteCounty Highway 167
CountyAlcona County
StateMichigan
Coordinates44.55056, -83.42208
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.9 US tons
Inventory rating53.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length196 ft (59.6 m)
Longest span49 ft (14.9 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,250 (2021)
Projected traffic2,750 by 2041
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 County HWY F41 over Pine River built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2022.

What condition is County HWY F41 over 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 May 2023.

How much traffic does County HWY F41 over Pine River carry?

About 2,250 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is County HWY F41 over Pine River?

The structure is 196 ft (59.6 m) long with a longest span of 49 ft (14.9 m) and a deck 35 ft wide.

Who owns County HWY F41 over Pine River?

It is owned by the County Highway Agency.