US Bridges

8 Mile Road over Mill Creek

Fair

Kent County, Michigan · 300 Ft East of M-37 · Structure no. 000000000005113

Built
1969
56 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
29 ft
2 main spans
Daily traffic
763
2004 count
Owner
County
County Highway Agency

About this bridge

8 Mile Road over Mill Creek is a steel culvert carrying 8 Mile Road 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 fair condition with a lowest component rating of 5 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 763 vehicles a day, projected to reach 1,300 by 2024. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
Carries8 Mile Road
CrossesMill Creek
Location300 Ft East of M-37
RouteCounty Highway 0
CountyKent County
StateMichigan
Coordinates43.08726, -85.68858
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.5 US tons
Inventory rating36 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 traffic763 (2004)
Projected traffic1,300 by 2024
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 8 Mile Road over Mill Creek built?

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

What condition is 8 Mile Road over Mill 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 October 2023.

How much traffic does 8 Mile Road over Mill Creek carry?

About 763 vehicles per day (2004 count).

How long is 8 Mile Road over Mill Creek?

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

Who owns 8 Mile Road over Mill Creek?

It is owned by the County Highway Agency.