US Bridges

Crosstown over Portage Creek

Fair

Kalamazoo County, Michigan · In Kalamazoo · Structure no. 000000000004672

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
5,784
1998 count
Owner
City
City or Municipal Highway Agency

About this bridge

Crosstown over Portage Creek is a steel culvert carrying Crosstown over Portage Creek in Kalamazoo County, Michigan. It was built in 1965, so it is 60 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 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 5,784 vehicles a day, roughly 10% of them trucks, projected to reach 7,519 by 2018. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCrosstown
CrossesPortage Creek
LocationIn Kalamazoo
RouteCity Street 2005
CountyKalamazoo County
StateMichigan
Coordinates42.28278, -85.5788
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating107.1 US tons
Inventory rating86.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,784 (1998)
Projected traffic7,519 by 2018
Trucks10%
Lanes on structure4
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 Crosstown over Portage Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Crosstown over Portage 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 July 2024.

How much traffic does Crosstown over Portage Creek carry?

About 5,784 vehicles per day (1998 count), of which roughly 10% are trucks.

How long is Crosstown over Portage Creek?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m).

Who owns Crosstown over Portage Creek?

It is owned by the City or Municipal Highway Agency.