US Bridges

Tin Bridge Road over Pigeon River

Good

Cheboygan County, Michigan · SEC.28 T33N R1W · Structure no. 000000000001551

Built
2007
18 years old
Condition
Good
inspected July 2023
Type
Slab
Wood or Timber
Length
65 ft
3 main spans
Daily traffic
30
2006 count
Owner
County
County Highway Agency

About this bridge

Tin Bridge Road over Pigeon River is a wood or timber slab carrying Tin Bridge Road over Pigeon River in Cheboygan County, Michigan. It was built in 2007, so it is 18 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 30 vehicles a day, projected to reach 40 by 2026. The structure is 65 ft (19.8 m) long and 18 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesTin Bridge Road
CrossesPigeon River
LocationSEC.28 T33N R1W
RouteCounty Highway 0
Coordinates45.22423, -84.42889
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating55 US tons
Inventory rating38.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span30 ft (9.1 m)
Deck width18 ft (5.6 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2006)
Projected traffic40 by 2026
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 Tin Bridge Road over Pigeon River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Tin Bridge Road over Pigeon 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 July 2023.

How much traffic does Tin Bridge Road over Pigeon River carry?

About 30 vehicles per day (2006 count).

How long is Tin Bridge Road over Pigeon River?

The structure is 65 ft (19.8 m) long with a longest span of 30 ft (9.1 m) and a deck 18 ft wide.

Who owns Tin Bridge Road over Pigeon River?

It is owned by the County Highway Agency.