US Bridges

Mechanic Steet over Bean Creek

Good

Lenawee County, Michigan · 645 E of Market ST · Structure no. 000000000005721

Built
1977
48 years old
Condition
Good
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
58 ft
1 main span
Daily traffic
570
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mechanic Steet over Bean Creek is a prestressed concrete box beam or girders - multiple carrying Mechanic Steet over Bean Creek in Lenawee County, Michigan. It was built in 1977, so it is 48 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 570 vehicles a day, roughly 3% of them trucks, projected to reach 700 by 2035. The structure is 58 ft (17.7 m) long and 38 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMechanic Steet
CrossesBean Creek
Location645 E of Market ST
RouteCity Street 0
Coordinates41.85323, -84.35009
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating40 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length58 ft (17.7 m)
Longest span56 ft (17 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic570 (2015)
Projected traffic700 by 2035
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Mechanic Steet over Bean Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Mechanic Steet over Bean Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.

How much traffic does Mechanic Steet over Bean Creek carry?

About 570 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is Mechanic Steet over Bean Creek?

The structure is 58 ft (17.7 m) long with a longest span of 56 ft (17 m) and a deck 38 ft wide.

Who owns Mechanic Steet over Bean Creek?

It is owned by the City or Municipal Highway Agency.