US Bridges

Lahser RD over M-10

Fair

Oakland County, Michigan · In Southfield · Structure no. 000000000007887

Built
1963
62 years old, rebuilt 1998
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
135 ft
2 main spans
Daily traffic
57,800
1997 count
Owner
State
State Highway Agency

About this bridge

Lahser RD over M-10 is a steel stringer/multi-beam or girder carrying Lahser RD over M-10 in Oakland County, Michigan. It was built in 1963 and reconstructed in 1998, so it is 62 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 57,800 vehicles a day, roughly 8% of them trucks, projected to reach 68,000 by 2020. The structure is 135 ft (41.1 m) long and 100 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesLahser RD
CrossesM-10
LocationIn Southfield
RouteCounty Highway 2059
CountyOakland County
StateMichigan
Coordinates42.48348, -83.26121
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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length135 ft (41.1 m)
Longest span66 ft (20.2 m)
Deck width100 ft (30.6 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic57,800 (1997)
Projected traffic68,000 by 2020
Trucks8%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Lahser RD over M-10 built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1998.

What condition is Lahser RD over M-10 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 June 2023.

How much traffic does Lahser RD over M-10 carry?

About 57,800 vehicles per day (1997 count), of which roughly 8% are trucks.

How long is Lahser RD over M-10?

The structure is 135 ft (41.1 m) long with a longest span of 66 ft (20.2 m) and a deck 100 ft wide.

Who owns Lahser RD over M-10?

It is owned by the State Highway Agency.