US Bridges

Tuttle Road over N Br Lincoln River

Good

Mason County, Michigan · 3 MI W 0.5 MI N Fountain · Structure no. 000000000006683

Built
2022
3 years old
Condition
Good
inspected August 2024
Type
Slab
Wood or Timber
Length
32 ft
1 main span
Daily traffic
49
2020 count
Owner
County
County Highway Agency

About this bridge

Tuttle Road over N Br Lincoln River is a wood or timber slab carrying Tuttle Road over N Br Lincoln River in Mason County, Michigan. It was built in 2022, so it is 3 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, roughly 2% of them trucks, projected to reach 60 by 2040. The structure is 32 ft (9.8 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesTuttle Road
CrossesN Br Lincoln River
Location3 MI W 0.5 MI N Fountain
RouteCounty Highway 0
CountyMason County
StateMichigan
Coordinates44.05463, -86.24073
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment7: Better than present minimum criteria
Operating rating58.5 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadGreater than HL 93
Structure length32 ft (9.8 m)
Longest span25 ft (7.6 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2020)
Projected traffic60 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$150,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tuttle Road over N Br Lincoln River built?

It was built in 2022, making it 3 years old in 2025.

What condition is Tuttle Road over N Br Lincoln River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Tuttle Road over N Br Lincoln River carry?

About 49 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Tuttle Road over N Br Lincoln River?

The structure is 32 ft (9.8 m) long with a longest span of 25 ft (7.6 m) and a deck 20 ft wide.

Who owns Tuttle Road over N Br Lincoln River?

It is owned by the County Highway Agency.