US Bridges

Yz Avenue over Flowerfield Creek

Good

Kalamazoo County, Michigan · 0.6MI W 2MI S /Schoolcraf · Structure no. 000000000004654

Built
1986
39 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
32 ft
1 main span
Daily traffic
767
2006 count
Owner
County
County Highway Agency

About this bridge

Yz Avenue over Flowerfield Creek is a prestressed concrete box beam or girders - multiple carrying Yz Avenue over Flowerfield Creek in Kalamazoo County, Michigan. It was built in 1986, so it is 39 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 767 vehicles a day, roughly 3% of them trucks, projected to reach 1,040 by 2025. The structure is 32 ft (9.8 m) long and 31 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

CarriesYz Avenue
CrossesFlowerfield Creek
Location0.6MI W 2MI S /Schoolcraf
RouteCounty Highway 0
Coordinates42.07745, -85.65774
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.9 US tons
Inventory rating52.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span28 ft (8.5 m)
Deck width31 ft (9.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic767 (2006)
Projected traffic1,040 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 km)
TollOn a free road
National Highway SystemNo

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 Yz Avenue over Flowerfield Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Yz Avenue over Flowerfield Creek 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 March 2023.

How much traffic does Yz Avenue over Flowerfield Creek carry?

About 767 vehicles per day (2006 count), of which roughly 3% are trucks.

How long is Yz Avenue over Flowerfield Creek?

The structure is 32 ft (9.8 m) long with a longest span of 28 ft (8.5 m) and a deck 31 ft wide.

Who owns Yz Avenue over Flowerfield Creek?

It is owned by the County Highway Agency.