US Bridges

9 Mile Road over Bishop Creek

Fair

Oakland County, Michigan · 0.3 MI W of Meadowbrook · Structure no. 000000000013858

Built
1965
60 years old
Condition
Fair
inspected September 2024
Type
Culvert
Steel
Length
30 ft
2 main spans
Daily traffic
10,700
2014 count
Owner
City
City or Municipal Highway Agency

About this bridge

9 Mile Road over Bishop Creek is a steel culvert carrying 9 Mile Road over Bishop Creek in Oakland County, Michigan. It was built in 1965, so it is 60 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 6 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 10,700 vehicles a day, projected to reach 12,300 by 2034. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
Carries9 Mile Road
CrossesBishop Creek
Location0.3 MI W of Meadowbrook
RouteCity Street 0
CountyOakland County
StateMichigan
Coordinates42.45256, -83.46075
Functional classUrban Minor Arterial

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating96.1 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,700 (2014)
Projected traffic12,300 by 2034
Trucks0%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 9 Mile Road over Bishop Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is 9 Mile Road over Bishop 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 September 2024.

How much traffic does 9 Mile Road over Bishop Creek carry?

About 10,700 vehicles per day (2014 count).

How long is 9 Mile Road over Bishop Creek?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.8 m).

Who owns 9 Mile Road over Bishop Creek?

It is owned by the City or Municipal Highway Agency.