US Bridges

Michigan Ave over US-131

Fair

Kalamazoo County, Michigan · 2.5 MI N of I-94 · Structure no. 000000000004560

Built
1963
62 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
302 ft
4 main spans
Daily traffic
4,405
1997 count
Owner
State
State Highway Agency

About this bridge

Michigan Ave over US-131 is a steel stringer/multi-beam or girder carrying Michigan Ave over US-131 in Kalamazoo County, Michigan. It was built in 1963, so it is 62 years old, older 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 4,405 vehicles a day, roughly 4% of them trucks, projected to reach 6,000 by 2015. The structure is 302 ft (92 m) long and 33 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMichigan Ave
CrossesUS-131
Location2.5 MI N of I-94
RouteCounty Highway 2005
CountyKalamazoo County
StateMichigan
Coordinates42.27179, -85.65439
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, 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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating73.2 US tons
Inventory rating44 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length302 ft (92 m)
Longest span91 ft (27.7 m)
Deck width33 ft (10.1 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,405 (1997)
Projected traffic6,000 by 2015
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

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 Michigan Ave over US-131 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Michigan Ave over US-131 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 September 2024.

How much traffic does Michigan Ave over US-131 carry?

About 4,405 vehicles per day (1997 count), of which roughly 4% are trucks.

How long is Michigan Ave over US-131?

The structure is 302 ft (92 m) long with a longest span of 91 ft (27.7 m) and a deck 33 ft wide.

Who owns Michigan Ave over US-131?

It is owned by the State Highway Agency.