US Bridges

Dutton Street over Portage Creek

Good

Kalamazoo County, Michigan · In City of Kalamazoo · Structure no. 000000000004686

Built
1993
32 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
35 ft
1 main span
Daily traffic
900
1998 count
Owner
City
City or Municipal Highway Agency

About this bridge

Dutton Street over Portage Creek is a prestressed concrete box beam or girders - multiple carrying Dutton Street over Portage 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 900 vehicles a day, roughly 8% of them trucks, projected to reach 1,500 by 2012. The structure is 35 ft (10.6 m) long and 54 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesDutton Street
CrossesPortage Creek
LocationIn City of Kalamazoo
RouteCity Street 0
Coordinates42.28494, -85.5782
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating92.8 US tons
Inventory rating55.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length35 ft (10.6 m)
Longest span31 ft (9.4 m)
Deck width54 ft (16.6 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (1998)
Projected traffic1,500 by 2012
Trucks8%
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 Dutton Street over Portage Creek built?

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

What condition is Dutton Street over Portage Creek 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 July 2024.

How much traffic does Dutton Street over Portage Creek carry?

About 900 vehicles per day (1998 count), of which roughly 8% are trucks.

How long is Dutton Street over Portage Creek?

The structure is 35 ft (10.6 m) long with a longest span of 31 ft (9.4 m) and a deck 54 ft wide.

Who owns Dutton Street over Portage Creek?

It is owned by the City or Municipal Highway Agency.