US Bridges

Dewar Road over East Branch Pine River

Fair

Alcona County, Michigan · 2 MI W of Mikado · Structure no. 000000000000022

Built
1992
33 years old
Condition
Fair
inspected May 2023
Type
Slab
Wood or Timber
Length
30 ft
1 main span
Daily traffic
146
2003 count
Owner
County
County Highway Agency

About this bridge

Dewar Road over East Branch Pine River is a wood or timber slab carrying Dewar Road over East Branch Pine River in Alcona County, Michigan. It was built in 1992, so it is 33 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 146 vehicles a day, projected to reach 198 by 2023. The structure is 30 ft (9.1 m) long and 32 ft wide. If it were closed, the detour would be 123 mi (198 km).

CarriesDewar Road
CrossesEast Branch Pine River
Location2 MI W of Mikado
RouteCounty Highway 0
Coordinates44.64149, -83.44476
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 rating60.7 US tons
Inventory rating43.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic146 (2003)
Projected traffic198 by 2023
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 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 Dewar Road over East Branch Pine River built?

It was built in 1992, making it 33 years old in 2025.

What condition is Dewar Road over East Branch 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 Dewar Road over East Branch Pine River carry?

About 146 vehicles per day (2003 count).

How long is Dewar Road over East Branch Pine River?

The structure is 30 ft (9.1 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Dewar Road over East Branch Pine River?

It is owned by the County Highway Agency.