US Bridges

Milham Park RD (n) over Portage Creek

FairClosed to traffic

Kalamazoo County, Michigan · City of Kalamazoo · Structure no. 000000000004683

Built
1935
90 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete
Length
40 ft
2 main spans
Daily traffic
200
1998 count
Owner
City
City or Municipal Highway Agency

About this bridge

Milham Park RD (n) over Portage Creek is a concrete slab carrying Milham Park RD (n) over Portage Creek in Kalamazoo County, Michigan. It was built in 1935, so it is 90 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: closed to all traffic.

It carries about 200 vehicles a day, roughly 1% of them trucks, projected to reach 500 by 2010. The structure is 40 ft (12.2 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesMilham Park RD (n)
CrossesPortage Creek
LocationCity of Kalamazoo
RouteCity Street 0
CountyKalamazoo County
StateMichigan
Coordinates42.24605, -85.57059
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry0: Immediate repair necessary to put back in service
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating21.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width25 ft (7.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (1998)
Projected traffic500 by 2010
Trucks1%
Lanes on structure1
Traffic directionOne-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 Milham Park RD (n) over Portage Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Milham Park RD (n) 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 Milham Park RD (n) over Portage Creek carry?

About 200 vehicles per day (1998 count), of which roughly 1% are trucks.

How long is Milham Park RD (n) over Portage Creek?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 25 ft wide.

Who owns Milham Park RD (n) over Portage Creek?

It is owned by the City or Municipal Highway Agency.