US Bridges

North Hulbert Road over Tahquamenon River

Poor

Chippewa County, Michigan · 14 MI NW of Eckerman · Structure no. 000000000001619

Built
1986
39 years old
Condition
Poor
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
2 main spans
Daily traffic
54
1986 count
Owner
County
County Highway Agency

About this bridge

North Hulbert Road over Tahquamenon River is a prestressed concrete box beam or girders - multiple carrying North Hulbert Road over Tahquamenon River in Chippewa County, Michigan. It was built in 1986, so it is 39 years old, younger 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.

It carries about 54 vehicles a day, projected to reach 95 by 2019. The structure is 104 ft (31.7 m) long and 31 ft wide. If it were closed, the detour would be 37.9 mi (61 km).

CarriesNorth Hulbert Road
CrossesTahquamenon River
Location14 MI NW of Eckerman
RouteCounty Highway 1709
Coordinates46.40376, -85.18766
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.8 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length104 ft (31.7 m)
Longest span51 ft (15.5 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (1986)
Projected traffic95 by 2019
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed37.9 mi (61 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 North Hulbert Road over Tahquamenon River built?

It was built in 1986, making it 39 years old in 2025.

What condition is North Hulbert Road over Tahquamenon 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 June 2024.

How much traffic does North Hulbert Road over Tahquamenon River carry?

About 54 vehicles per day (1986 count).

How long is North Hulbert Road over Tahquamenon River?

The structure is 104 ft (31.7 m) long with a longest span of 51 ft (15.5 m) and a deck 31 ft wide.

Who owns North Hulbert Road over Tahquamenon River?

It is owned by the County Highway Agency.