US Bridges

Beck Road over Johnson Drain

PoorPosted for load

Wayne County, Michigan · Northville T N/Six Mile · Structure no. 000000000012107

Built
1930
95 years old, rebuilt 1989
Condition
Poor
inspected May 2024
Type
Tee Beam
Concrete
Length
28 ft
1 main span
Daily traffic
16,972
1997 count
Owner
County
County Highway Agency

About this bridge

Beck Road over Johnson Drain is a concrete tee beam carrying Beck Road over Johnson Drain in Wayne County, Michigan. It was built in 1930 and reconstructed in 1989, so it is 95 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 16,972 vehicles a day, roughly 3% of them trucks, projected to reach 16,009 by 2015. The structure is 28 ft (8.5 m) long and 41 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBeck Road
CrossesJohnson Drain
LocationNorthville T N/Six Mile
RouteCounty Highway 2057
Coordinates42.41193, -83.51118
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.2 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width41 ft (12.5 m)
Roadway width38 ft (11.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,972 (1997)
Projected traffic16,009 by 2015
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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 Beck Road over Johnson Drain built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1989.

What condition is Beck Road over Johnson Drain in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does Beck Road over Johnson Drain carry?

About 16,972 vehicles per day (1997 count), of which roughly 3% are trucks.

How long is Beck Road over Johnson Drain?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 41 ft wide.

Who owns Beck Road over Johnson Drain?

It is owned by the County Highway Agency.