US Bridges

M-89 over Augusta Creek

Fair

Kalamazoo County, Michigan · 0.1 MI E of 42 Nd Street · Structure no. 000000000004617

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
5,044
2007 count
Owner
State
State Highway Agency

About this bridge

M-89 over Augusta Creek is a prestressed concrete box beam or girders - single or spread carrying M-89 over Augusta Creek in Kalamazoo 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 5,044 vehicles a day, roughly 5% of them trucks, projected to reach 6,322 by 2018. The structure is 45 ft (13.7 m) long and 47 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesM-89
CrossesAugusta Creek
Location0.1 MI E of 42 Nd Street
RouteState Highway 89
Coordinates42.37357, -85.35999
Functional classRural Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.7 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length45 ft (13.7 m)
Longest span42 ft (12.9 m)
Deck width47 ft (14.4 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,044 (2007)
Projected traffic6,322 by 2018
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-89 over Augusta Creek built?

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

What condition is M-89 over Augusta Creek 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 M-89 over Augusta Creek carry?

About 5,044 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is M-89 over Augusta Creek?

The structure is 45 ft (13.7 m) long with a longest span of 42 ft (12.9 m) and a deck 47 ft wide.

Who owns M-89 over Augusta Creek?

It is owned by the State Highway Agency.