US Bridges

Douglas Road over Lockwood Drain

Fair

Monroe County, Michigan · 0.3 MI N of Morocco Road · Structure no. 000000000007361

Built
1960
65 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
34 ft
2 main spans
Daily traffic
230
2017 count
Owner
County
County Highway Agency

About this bridge

Douglas Road over Lockwood Drain is a concrete culvert carrying Douglas Road over Lockwood Drain in Monroe 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 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 230 vehicles a day, roughly 22% of them trucks, projected to reach 264 by 2037. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesDouglas Road
CrossesLockwood Drain
Location0.3 MI N of Morocco Road
RouteCounty Highway 0
Coordinates41.84121, -83.60946
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length34 ft (10.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic230 (2017)
Projected traffic264 by 2037
Trucks22%
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 Douglas Road over Lockwood Drain built?

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

What condition is Douglas 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 Douglas Road over Lockwood Drain carry?

About 230 vehicles per day (2017 count), of which roughly 22% are trucks.

How long is Douglas Road over Lockwood Drain?

The structure is 34 ft (10.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Douglas Road over Lockwood Drain?

It is owned by the County Highway Agency.