US Bridges

Kennett Road over Cn & Gtw RR

Fair

Oakland County, Michigan · 1/4 MI SE Telegr & Oaklnd · Structure no. 000000000008263

Built
2004
21 years old
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
6,640
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Kennett Road over Cn & Gtw RR is a prestressed concrete box beam or girders - multiple carrying Kennett Road over Cn & Gtw RR in Oakland County, Michigan. It was built in 2004, so it is 21 years old, younger 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 6,640 vehicles a day, roughly 5% of them trucks, projected to reach 7,374 by 2044. The structure is 50 ft (15.2 m) long and 58 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesKennett Road
CrossesCn & Gtw RR
Location1/4 MI SE Telegr & Oaklnd
RouteCity Street 2059
CountyOakland County
StateMichigan
Coordinates42.66509, -83.32144
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment6: Equal to present minimum criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span46 ft (14 m)
Deck width58 ft (17.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,640 (2023)
Projected traffic7,374 by 2044
Trucks5%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Kennett Road over Cn & Gtw RR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Kennett Road over Cn & Gtw RR 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 2024.

How much traffic does Kennett Road over Cn & Gtw RR carry?

About 6,640 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Kennett Road over Cn & Gtw RR?

The structure is 50 ft (15.2 m) long with a longest span of 46 ft (14 m) and a deck 58 ft wide.

Who owns Kennett Road over Cn & Gtw RR?

It is owned by the City or Municipal Highway Agency.