US Bridges

Kilgore Road over Portage Creek

Good

Kalamazoo County, Michigan · Sec 3-10 Portage Twp · Structure no. 000000000004690

Built
2013
12 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
28 ft
1 main span
Daily traffic
16,205
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kilgore Road over Portage Creek is a concrete culvert carrying Kilgore Road over Portage Creek in Kalamazoo County, Michigan. It was built in 2013, so it is 12 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 16,205 vehicles a day, roughly 8% of them trucks, projected to reach 22,687 by 2041. The structure is 28 ft (8.4 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesKilgore Road
CrossesPortage Creek
LocationSec 3-10 Portage Twp
RouteCity Street 0
CountyKalamazoo County
StateMichigan
Coordinates42.24507, -85.57607
Functional classUrban Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadGreater than HL 93
Structure length28 ft (8.4 m)
Longest span26 ft (7.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,205 (2021)
Projected traffic22,687 by 2041
Trucks8%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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 Kilgore Road over Portage Creek built?

It was built in 2013, making it 12 years old in 2025.

What condition is Kilgore Road 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 September 2023.

How much traffic does Kilgore Road over Portage Creek carry?

About 16,205 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Kilgore Road over Portage Creek?

The structure is 28 ft (8.4 m) long with a longest span of 26 ft (7.8 m).

Who owns Kilgore Road over Portage Creek?

It is owned by the City or Municipal Highway Agency.