US Bridges

Humms Road over Private Truck Haul Road

FairPosted for load

Chippewa County, Michigan · 1 MI E of Ferry Dock · Structure no. 000000000001657

Built
1960
65 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
57 ft
1 main span
Daily traffic
10
1986 count
Owner
County
County Highway Agency

About this bridge

Humms Road over Private Truck Haul Road is a prestressed concrete box beam or girders - multiple carrying Humms Road over Private Truck Haul Road in Chippewa County, Michigan. It was built in 1960, so it is 65 years old, older 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 15 by 2019. The structure is 57 ft (17.3 m) long and 15 ft wide. If it were closed, the detour would be 123 mi (198 km).

Location

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CarriesHumms Road
CrossesPrivate Truck Haul Road
Location1 MI E of Ferry Dock
RouteCounty Highway 0
CountyChippewa County
StateMichigan
Coordinates45.98897, -83.86629
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating23.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length57 ft (17.3 m)
Longest span51 ft (15.5 m)
Deck width15 ft (4.5 m)
Roadway width13 ft (4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1986)
Projected traffic15 by 2019
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Humms Road over Private Truck Haul Road built?

It was built in 1960, making it 65 years old in 2025.

What condition is Humms Road over Private Truck Haul Road 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 June 2023.

How much traffic does Humms Road over Private Truck Haul Road carry?

About 10 vehicles per day (1986 count).

How long is Humms Road over Private Truck Haul Road?

The structure is 57 ft (17.3 m) long with a longest span of 51 ft (15.5 m) and a deck 15 ft wide.

Who owns Humms Road over Private Truck Haul Road?

It is owned by the County Highway Agency.