US Bridges

Reed Street over Portage Creek

Fair

Kalamazoo County, Michigan · City of Kalamazoo · Structure no. 000000000004669

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
23 ft
1 main span
Daily traffic
3,647
1997 count
Owner
City
City or Municipal Highway Agency

About this bridge

Reed Street over Portage Creek is a prestressed concrete box beam or girders - multiple carrying Reed Street over Portage Creek in Kalamazoo County, Michigan. It was built in 1983, so it is 42 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 3,647 vehicles a day, roughly 5% of them trucks, projected to reach 4,741 by 2017. The structure is 23 ft (7 m) long and 66 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesReed Street
CrossesPortage Creek
LocationCity of Kalamazoo
RouteCity Street 2005
Coordinates42.27414, -85.57661
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length23 ft (7 m)
Longest span20 ft (6.1 m)
Deck width66 ft (20.1 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,647 (1997)
Projected traffic4,741 by 2017
Trucks5%
Lanes on structure2
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 Reed Street over Portage Creek built?

It was built in 1983, making it 42 years old in 2025.

What condition is Reed Street 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 Reed Street over Portage Creek carry?

About 3,647 vehicles per day (1997 count), of which roughly 5% are trucks.

How long is Reed Street over Portage Creek?

The structure is 23 ft (7 m) long with a longest span of 20 ft (6.1 m) and a deck 66 ft wide.

Who owns Reed Street over Portage Creek?

It is owned by the City or Municipal Highway Agency.