US Bridges

New Nature Ave over Sturgeon River

PoorPosted for load

Cheboygan County, Michigan · Village of Wolverine · Structure no. 000000000001562

Built
1900
125 years old, rebuilt 2019
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
3 main spans
Daily traffic
25
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

New Nature Ave over Sturgeon River is a steel stringer/multi-beam or girder carrying New Nature Ave over Sturgeon River in Cheboygan County, Michigan. It was built in 1900 and reconstructed in 2019, so it is 125 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 25 vehicles a day, projected to reach 30 by 2035. The structure is 52 ft (15.8 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNew Nature Ave
CrossesSturgeon River
LocationVillage of Wolverine
RouteCounty Highway 0
Coordinates45.27497, -84.60004
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating27.4 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans3
Design loadHL 93
Structure length52 ft (15.8 m)
Longest span14 ft (4.2 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2015)
Projected traffic30 by 2035
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 New Nature Ave over Sturgeon River built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 2019.

What condition is New Nature Ave over Sturgeon River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in October 2024.

How much traffic does New Nature Ave over Sturgeon River carry?

About 25 vehicles per day (2015 count).

How long is New Nature Ave over Sturgeon River?

The structure is 52 ft (15.8 m) long with a longest span of 14 ft (4.2 m) and a deck 12 ft wide.

Who owns New Nature Ave over Sturgeon River?

It is owned by the City or Municipal Highway Agency.