US Bridges

N Farmer Street over Kalamazoo River

Fair

Allegan County, Michigan · In Otsego · Structure no. 000000000000320

Built
1998
27 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
200 ft
3 main spans
Daily traffic
5,900
2006 count
Owner
City
City or Municipal Highway Agency

About this bridge

N Farmer Street over Kalamazoo River is a prestressed concrete box beam or girders - multiple carrying N Farmer Street over Kalamazoo River in Allegan County, Michigan. It was built in 1998, so it is 27 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 5,900 vehicles a day, roughly 6% of them trucks, projected to reach 10,600 by 2026. The structure is 200 ft (61 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesN Farmer Street
CrossesKalamazoo River
LocationIn Otsego
RouteCity Street 0
Coordinates42.46266, -85.69624
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
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 rating92.8 US tons
Inventory rating55.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length200 ft (61 m)
Longest span67 ft (20.3 m)
Deck width44 ft (13.4 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,900 (2006)
Projected traffic10,600 by 2026
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 N Farmer Street over Kalamazoo River built?

It was built in 1998, making it 27 years old in 2025.

What condition is N Farmer Street over 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 November 2024.

How much traffic does N Farmer Street over Kalamazoo River carry?

About 5,900 vehicles per day (2006 count), of which roughly 6% are trucks.

How long is N Farmer Street over Kalamazoo River?

The structure is 200 ft (61 m) long with a longest span of 67 ft (20.3 m) and a deck 44 ft wide.

Who owns N Farmer Street over Kalamazoo River?

It is owned by the City or Municipal Highway Agency.