US Bridges

Nine Mile RD over Evans Branch of Rouge Ri

Good

Oakland County, Michigan · In Southfield · Structure no. 000000000008291

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
124 ft
1 main span
Daily traffic
13,604
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nine Mile RD over Evans Branch of Rouge Ri is a prestressed concrete stringer/multi-beam or girder carrying Nine Mile RD over Evans Branch of Rouge Ri in Oakland County, Michigan. It was built in 2019, so it is 6 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 13,604 vehicles a day, roughly 2% of them trucks, projected to reach 14,735 by 2038. The structure is 124 ft (37.8 m) long and 63 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNine Mile RD
CrossesEvans Branch of Rouge Ri
LocationIn Southfield
RouteCity Street 2059
Coordinates42.45771, -83.2674
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
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating60.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadGreater than HL 93
Structure length124 ft (37.8 m)
Longest span120 ft (36.7 m)
Deck width63 ft (19.2 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,604 (2018)
Projected traffic14,735 by 2038
Trucks2%
Lanes on structure3
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 statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.9 million (2017 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nine Mile RD over Evans Branch of Rouge Ri built?

It was built in 2019, making it 6 years old in 2025.

What condition is Nine Mile RD over Evans Branch of Rouge Ri 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 Nine Mile RD over Evans Branch of Rouge Ri carry?

About 13,604 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Nine Mile RD over Evans Branch of Rouge Ri?

The structure is 124 ft (37.8 m) long with a longest span of 120 ft (36.7 m) and a deck 63 ft wide.

Who owns Nine Mile RD over Evans Branch of Rouge Ri?

It is owned by the City or Municipal Highway Agency.