US Bridges

M-59 WB over East Boulevard

Fair

Oakland County, Michigan · In Pontiac · Structure no. 000000000007849

Built
1966
59 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
162 ft
3 main spans
Daily traffic
17,835
2007 count
Owner
State
State Highway Agency

About this bridge

M-59 WB over East Boulevard is a steel stringer/multi-beam or girder carrying M-59 WB over East Boulevard in Oakland County, Michigan. It was built in 1966, so it is 59 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 17,835 vehicles a day, roughly 6% of them trucks, projected to reach 20,786 by 2018. The structure is 162 ft (49.3 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM-59 WB
CrossesEast Boulevard
LocationIn Pontiac
RouteState Highway 59
CountyOakland County
StateMichigan
Coordinates42.64454, -83.26939
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating46.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length162 ft (49.3 m)
Longest span84 ft (25.5 m)
Deck width42 ft (12.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,835 (2007)
Projected traffic20,786 by 2018
Trucks6%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was M-59 WB over East Boulevard built?

It was built in 1966, making it 59 years old in 2025.

What condition is M-59 WB over East Boulevard 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 May 2023.

How much traffic does M-59 WB over East Boulevard carry?

About 17,835 vehicles per day (2007 count), of which roughly 6% are trucks.

How long is M-59 WB over East Boulevard?

The structure is 162 ft (49.3 m) long with a longest span of 84 ft (25.5 m) and a deck 42 ft wide.

Who owns M-59 WB over East Boulevard?

It is owned by the State Highway Agency.