US Bridges

M-36 over Huron River

Fair

Livingston County, Michigan · 1.2 MI E of Lakeland · Structure no. 000000000005756

Built
1986
39 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
1 main span
Daily traffic
15,725
2007 count
Owner
State
State Highway Agency

About this bridge

M-36 over Huron River is a steel stringer/multi-beam or girder carrying M-36 over Huron River in Livingston County, Michigan. It was built in 1986, so it is 39 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 15,725 vehicles a day, roughly 2% of them trucks, projected to reach 20,694 by 2018. The structure is 140 ft (42.6 m) long and 51 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesM-36
CrossesHuron River
Location1.2 MI E of Lakeland
RouteState Highway 36
Coordinates42.46018, -83.82478
Functional classRural 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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating55 US tons
Inventory rating42.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length140 ft (42.6 m)
Longest span140 ft (42.6 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,725 (2007)
Projected traffic20,694 by 2018
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-36 over Huron River built?

It was built in 1986, making it 39 years old in 2025.

What condition is M-36 over Huron River 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 2023.

How much traffic does M-36 over Huron River carry?

About 15,725 vehicles per day (2007 count), of which roughly 2% are trucks.

How long is M-36 over Huron River?

The structure is 140 ft (42.6 m) long with a longest span of 140 ft (42.6 m) and a deck 51 ft wide.

Who owns M-36 over Huron River?

It is owned by the State Highway Agency.