US Bridges

Baumhoff Ave over Mill Creek

Good

Kent County, Michigan · 0.70 MI N of 8 Mile RD · Structure no. 000000000005114

Built
1969
56 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
943
2004 count
Owner
County
County Highway Agency

About this bridge

Baumhoff Ave over Mill Creek is a steel culvert carrying Baumhoff Ave over Mill Creek in Kent County, Michigan. It was built in 1969, so it is 56 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 943 vehicles a day, projected to reach 1,600 by 2024. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesBaumhoff Ave
CrossesMill Creek
Location0.70 MI N of 8 Mile RD
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates43.09691, -85.71947
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 rating47.8 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic943 (2004)
Projected traffic1,600 by 2024
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Baumhoff Ave over Mill Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is Baumhoff Ave 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 Baumhoff Ave over Mill Creek carry?

About 943 vehicles per day (2004 count).

How long is Baumhoff Ave over Mill Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.2 m).

Who owns Baumhoff Ave over Mill Creek?

It is owned by the County Highway Agency.