US Bridges

M-34 over Bean Creek

Fair

Lenawee County, Michigan · In Hudson · Structure no. 000000000005505

Built
1998
27 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
66 ft
1 main span
Daily traffic
6,285
2007 count
Owner
State
State Highway Agency

About this bridge

M-34 over Bean Creek is a prestressed concrete box beam or girders - single or spread carrying M-34 over Bean Creek in Lenawee County, Michigan. It was built in 1998, so it is 27 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 6,285 vehicles a day, roughly 5% of them trucks, projected to reach 9,427 by 2018. The structure is 66 ft (20.2 m) long and 43 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesM-34
CrossesBean Creek
LocationIn Hudson
RouteState Highway 34
CountyLenawee County
StateMichigan
Coordinates41.85496, -84.35119
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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating20.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length66 ft (20.2 m)
Longest span66 ft (20.2 m)
Deck width43 ft (13.2 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,285 (2007)
Projected traffic9,427 by 2018
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M-34 over Bean Creek built?

It was built in 1998, making it 27 years old in 2025.

What condition is M-34 over Bean Creek 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 2024.

How much traffic does M-34 over Bean Creek carry?

About 6,285 vehicles per day (2007 count), of which roughly 5% are trucks.

How long is M-34 over Bean Creek?

The structure is 66 ft (20.2 m) long with a longest span of 66 ft (20.2 m) and a deck 43 ft wide.

Who owns M-34 over Bean Creek?

It is owned by the State Highway Agency.