US Bridges

Mcmillan Road over Bad Axe Drain

Fair

Huron County, Michigan · Sec. 27-28 Meade Twp. · Structure no. 000000000003629

Built
1986
39 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
120
2009 count
Owner
County
County Highway Agency

About this bridge

Mcmillan Road over Bad Axe Drain is a prestressed concrete tee beam carrying Mcmillan Road over Bad Axe Drain in Huron 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 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 120 vehicles a day, projected to reach 215 by 2029. The structure is 28 ft (8.5 m) long and 32 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMcmillan Road
CrossesBad Axe Drain
LocationSec. 27-28 Meade Twp.
RouteCounty Highway 0
Coordinates43.86993, -83.06239
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating93.3 US tons
Inventory rating55.8 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.8 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2009)
Projected traffic215 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Mcmillan Road over Bad Axe Drain built?

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

What condition is Mcmillan Road over Bad Axe Drain 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 August 2023.

How much traffic does Mcmillan Road over Bad Axe Drain carry?

About 120 vehicles per day (2009 count).

How long is Mcmillan Road over Bad Axe Drain?

The structure is 28 ft (8.5 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Mcmillan Road over Bad Axe Drain?

It is owned by the County Highway Agency.