US Bridges

7 Mile Road over Mill Creek

Good

Kent County, Michigan · 0.50 Mile E of Alpine Ave · Structure no. 000000000005029

Built
1964
61 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
36 ft
2 main spans
Daily traffic
4,784
2005 count
Owner
County
County Highway Agency

About this bridge

7 Mile Road over Mill Creek is a steel culvert carrying 7 Mile Road over Mill Creek in Kent County, Michigan. It was built in 1964, so it is 61 years old, older 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 4,784 vehicles a day, projected to reach 8,130 by 2025. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
Carries7 Mile Road
CrossesMill Creek
Location0.50 Mile E of Alpine Ave
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates43.07273, -85.67957
Functional classRural Minor Collector

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating36.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span18 ft (5.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,784 (2005)
Projected traffic8,130 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 7 Mile Road over Mill Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is 7 Mile Road over Mill 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 October 2023.

How much traffic does 7 Mile Road over Mill Creek carry?

About 4,784 vehicles per day (2005 count).

How long is 7 Mile Road over Mill Creek?

The structure is 36 ft (10.9 m) long with a longest span of 18 ft (5.4 m).

Who owns 7 Mile Road over Mill Creek?

It is owned by the County Highway Agency.