US Bridges

Ninth Street over AMTRAK RR

Good

Kalamazoo County, Michigan · 1.5 MI N of Oshtemo · Structure no. 000000000004633

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
73 ft
1 main span
Daily traffic
10,671
2019 count
Owner
County
County Highway Agency

About this bridge

Ninth Street over AMTRAK RR is a prestressed concrete box beam or girders - multiple carrying Ninth Street over AMTRAK RR in Kalamazoo County, Michigan. It was built in 2008, so it is 17 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 10,671 vehicles a day, roughly 5% of them trucks, projected to reach 14,372 by 2039. The structure is 73 ft (22.3 m) long and 86 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNinth Street
CrossesAMTRAK RR
Location1.5 MI N of Oshtemo
RouteCounty Highway 2005
Coordinates42.28028, -85.67754
Functional classUrban Other Principal Arterial

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.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating103.2 US tons
Inventory rating42.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length73 ft (22.3 m)
Longest span64 ft (19.6 m)
Deck width86 ft (26.1 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,671 (2019)
Projected traffic14,372 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Ninth Street over AMTRAK RR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Ninth Street over AMTRAK RR 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 October 2024.

How much traffic does Ninth Street over AMTRAK RR carry?

About 10,671 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Ninth Street over AMTRAK RR?

The structure is 73 ft (22.3 m) long with a longest span of 64 ft (19.6 m) and a deck 86 ft wide.

Who owns Ninth Street over AMTRAK RR?

It is owned by the County Highway Agency.