US Bridges

Mcdonald Road over East Br. Willow River

Fair

Huron County, Michigan · Sec. 16-17 Bloomfield Twp · Structure no. 000000000003566

Built
1984
41 years old
Condition
Fair
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
42 ft
1 main span
Daily traffic
100
2009 count
Owner
County
County Highway Agency

About this bridge

Mcdonald Road over East Br. Willow River is a prestressed concrete tee beam carrying Mcdonald Road over East Br. Willow River in Huron County, Michigan. It was built in 1984, so it is 41 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 3% of them trucks, projected to reach 180 by 2029. The structure is 42 ft (12.8 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesMcdonald Road
CrossesEast Br. Willow River
LocationSec. 16-17 Bloomfield Twp
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.90833, -82.84372
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.8 US tons
Inventory rating48.4 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span39 ft (12 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2009)
Projected traffic180 by 2029
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Mcdonald Road over East Br. Willow River built?

It was built in 1984, making it 41 years old in 2025.

What condition is Mcdonald Road over East Br. Willow River 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 October 2023.

How much traffic does Mcdonald Road over East Br. Willow River carry?

About 100 vehicles per day (2009 count), of which roughly 3% are trucks.

How long is Mcdonald Road over East Br. Willow River?

The structure is 42 ft (12.8 m) long with a longest span of 39 ft (12 m) and a deck 33 ft wide.

Who owns Mcdonald Road over East Br. Willow River?

It is owned by the County Highway Agency.