US Bridges

Minx Road over Lockwood Drain

Fair

Monroe County, Michigan · 0.2 MI N of Yargerville R · Structure no. 000000000007365

Built
1987
38 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
40
2016 count
Owner
County
County Highway Agency

About this bridge

Minx Road over Lockwood Drain is a concrete culvert carrying Minx Road over Lockwood Drain in Monroe County, Michigan. It was built in 1987, so it is 38 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 5 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 40 vehicles a day, roughly 20% of them trucks, projected to reach 46 by 2036. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMinx Road
CrossesLockwood Drain
Location0.2 MI N of Yargerville R
RouteCounty Highway 0
Coordinates41.87022, -83.5333
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating41.4 US tons
Inventory rating24.7 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 traffic40 (2016)
Projected traffic46 by 2036
Trucks20%
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 Minx Road over Lockwood Drain built?

It was built in 1987, making it 38 years old in 2025.

What condition is Minx Road over Lockwood 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 July 2024.

How much traffic does Minx Road over Lockwood Drain carry?

About 40 vehicles per day (2016 count), of which roughly 20% are trucks.

How long is Minx Road over Lockwood Drain?

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

Who owns Minx Road over Lockwood Drain?

It is owned by the County Highway Agency.