US Bridges

Merriman Road over Tarabusi Drain

Good

Wayne County, Michigan · Livonia S/Seven Mile · Structure no. 000000000012154

Built
2022
3 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
21,637
2021 count
Owner
County
County Highway Agency

About this bridge

Merriman Road over Tarabusi Drain is a prestressed concrete box beam or girders - multiple carrying Merriman Road over Tarabusi Drain in Wayne County, Michigan. It was built in 2022, so it is 3 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 21,637 vehicles a day, roughly 4% of them trucks, projected to reach 24,026 by 2041. The structure is 64 ft (19.5 m) long and 78 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMerriman Road
CrossesTarabusi Drain
LocationLivonia S/Seven Mile
RouteCounty Highway 2057
Coordinates42.42058, -83.35507
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating59.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length64 ft (19.5 m)
Longest span64 ft (19.5 m)
Deck width78 ft (23.9 m)
Roadway width76 ft (23.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,637 (2021)
Projected traffic24,026 by 2041
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 Merriman Road over Tarabusi Drain built?

It was built in 2022, making it 3 years old in 2025.

What condition is Merriman Road over Tarabusi 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 December 2024.

How much traffic does Merriman Road over Tarabusi Drain carry?

About 21,637 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Merriman Road over Tarabusi Drain?

The structure is 64 ft (19.5 m) long with a longest span of 64 ft (19.5 m) and a deck 78 ft wide.

Who owns Merriman Road over Tarabusi Drain?

It is owned by the County Highway Agency.