US Bridges

I-94 WB over Merriman RD

Fair

Wayne County, Michigan · 1.9 MI W of Taylor · Structure no. 000000000011114

Built
1993
32 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
144 ft
2 main spans
Daily traffic
74,175
2019 count
Owner
State
State Highway Agency

About this bridge

I-94 WB over Merriman RD is a prestressed concrete box beam or girders - multiple carrying I-94 WB over Merriman RD in Wayne County, Michigan. It was built in 1993, so it is 32 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 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 74,175 vehicles a day, roughly 9% of them trucks, projected to reach 78,763 by 2039. The structure is 144 ft (43.8 m) long and 110 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI-94 WB
CrossesMerriman RD
Location1.9 MI W of Taylor
RouteInterstate 94
CountyWayne County
StateMichigan
Coordinates42.23925, -83.34172
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.2 US tons
Inventory rating46.4 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length144 ft (43.8 m)
Longest span70 ft (21.3 m)
Deck width110 ft (33.5 m)
Roadway width104 ft (31.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74,175 (2019)
Projected traffic78,763 by 2039
Trucks9%
Lanes on structure5
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-94 WB over Merriman RD built?

It was built in 1993, making it 32 years old in 2025.

What condition is I-94 WB over Merriman RD 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 August 2023.

How much traffic does I-94 WB over Merriman RD carry?

About 74,175 vehicles per day (2019 count), of which roughly 9% are trucks.

How long is I-94 WB over Merriman RD?

The structure is 144 ft (43.8 m) long with a longest span of 70 ft (21.3 m) and a deck 110 ft wide.

Who owns I-94 WB over Merriman RD?

It is owned by the State Highway Agency.