US Bridges

Edenderry Drive over Johnson Drain

Good

Wayne County, Michigan · Northville T S/Seven Mile · Structure no. 000000000012283

Built
1965
60 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
300
1987 count
Owner
County
County Highway Agency

About this bridge

Edenderry Drive over Johnson Drain is a steel culvert carrying Edenderry Drive over Johnson Drain in Wayne County, Michigan. It was built in 1965, so it is 60 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 300 vehicles a day, roughly 1% of them trucks, projected to reach 360 by 2015. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesEdenderry Drive
CrossesJohnson Drain
LocationNorthville T S/Seven Mile
RouteCounty Highway 0
Coordinates42.42094, -83.49552
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span17 ft (5.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1987)
Projected traffic360 by 2015
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Edenderry Drive over Johnson Drain built?

It was built in 1965, making it 60 years old in 2025.

What condition is Edenderry Drive over Johnson Drain in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does Edenderry Drive over Johnson Drain carry?

About 300 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is Edenderry Drive over Johnson Drain?

The structure is 36 ft (10.9 m) long with a longest span of 17 ft (5.1 m).

Who owns Edenderry Drive over Johnson Drain?

It is owned by the County Highway Agency.