US Bridges

Minnick Road over Philp Drain

Fair

Huron County, Michigan · Sec. 30-31 Bloomfield Twp · Structure no. 000000000003560

Built
1991
34 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
80
2009 count
Owner
County
County Highway Agency

About this bridge

Minnick Road over Philp Drain is a concrete culvert carrying Minnick Road over Philp Drain in Huron County, Michigan. It was built in 1991, so it is 34 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 80 vehicles a day, projected to reach 140 by 2029. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesMinnick Road
CrossesPhilp Drain
LocationSec. 30-31 Bloomfield Twp
RouteCounty Highway 0
CountyHuron County
StateMichigan
Coordinates43.87028, -82.88247
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2009)
Projected traffic140 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Minnick Road over Philp Drain built?

It was built in 1991, making it 34 years old in 2025.

What condition is Minnick Road over Philp 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 October 2023.

How much traffic does Minnick Road over Philp Drain carry?

About 80 vehicles per day (2009 count).

How long is Minnick Road over Philp Drain?

The structure is 22 ft (6.7 m) long with a longest span of 20 ft (6.1 m).

Who owns Minnick Road over Philp Drain?

It is owned by the County Highway Agency.