US Bridges

Mulberry Road over Bean Creek

PoorClosed to traffic

Lenawee County, Michigan · 0.2 MI W of M-156 · Structure no. 000000000005547

Built
1952
73 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
87 ft
2 main spans
Daily traffic
130
2012 count
Owner
County
County Highway Agency

About this bridge

Mulberry Road over Bean Creek is a steel stringer/multi-beam or girder carrying Mulberry Road over Bean Creek in Lenawee County, Michigan. It was built in 1952, so it is 73 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 2 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: closed to all traffic.

It carries about 130 vehicles a day, roughly 4% of them trucks, projected to reach 300 by 2031. The structure is 87 ft (26.5 m) long and 25 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMulberry Road
CrossesBean Creek
Location0.2 MI W of M-156
RouteCounty Highway 0
Coordinates41.73896, -84.22947
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusClosed to all traffic
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation0: Immediate repair necessary to put back in service
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating3.5 US tons
Inventory rating0 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length87 ft (26.5 m)
Longest span43 ft (13.1 m)
Deck width25 ft (7.7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2012)
Projected traffic300 by 2031
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$450,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mulberry Road over Bean Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Mulberry Road over Bean Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Mulberry Road over Bean Creek carry?

About 130 vehicles per day (2012 count), of which roughly 4% are trucks.

How long is Mulberry Road over Bean Creek?

The structure is 87 ft (26.5 m) long with a longest span of 43 ft (13.1 m) and a deck 25 ft wide.

Who owns Mulberry Road over Bean Creek?

It is owned by the County Highway Agency.