US Bridges

M-89 (washington) over Gtw RR & Kalamazoo River

Fair

Calhoun County, Michigan · 0.1 MI N of I-94 Bl · Structure no. 000000000001192

Built
1982
43 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
713 ft
8 main spans
Daily traffic
11,004
2007 count
Owner
State
State Highway Agency

About this bridge

M-89 (washington) over Gtw RR & Kalamazoo River is a steel continuous stringer/multi-beam or girder carrying M-89 (washington) over Gtw RR & Kalamazoo River in Calhoun County, Michigan. It was built in 1982, so it is 43 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 5 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 11,004 vehicles a day, roughly 2% of them trucks, projected to reach 20,031 by 2018. The structure is 713 ft (217.3 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesM-89 (washington)
CrossesGtw RR & Kalamazoo River
Location0.1 MI N of I-94 Bl
RouteState Highway 89
CountyCalhoun County
StateMichigan
Coordinates42.3203, -85.19281
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length713 ft (217.3 m)
Longest span124 ft (37.8 m)
Deck width66 ft (20.2 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,004 (2007)
Projected traffic20,031 by 2018
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-89 (washington) over Gtw RR & Kalamazoo River built?

It was built in 1982, making it 43 years old in 2025.

What condition is M-89 (washington) over Gtw RR & Kalamazoo River 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 2023.

How much traffic does M-89 (washington) over Gtw RR & Kalamazoo River carry?

About 11,004 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is M-89 (washington) over Gtw RR & Kalamazoo River?

The structure is 713 ft (217.3 m) long with a longest span of 124 ft (37.8 m) and a deck 66 ft wide.

Who owns M-89 (washington) over Gtw RR & Kalamazoo River?

It is owned by the State Highway Agency.