US Bridges

Austin Road over W Br ST Joseph of Maumee

Fair

Hillsdale County, Michigan · 0.4 MI E of Carpenter · Structure no. 000000000003362

Built
1988
37 years old
Condition
Fair
inspected November 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
33
2014 count
Owner
County
County Highway Agency

About this bridge

Austin Road over W Br ST Joseph of Maumee is a prestressed concrete box beam or girders - multiple carrying Austin Road over W Br ST Joseph of Maumee in Hillsdale County, Michigan. It was built in 1988, so it is 37 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 5 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 33 vehicles a day, projected to reach 54 by 2038. The structure is 46 ft (14 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesAustin Road
CrossesW Br ST Joseph of Maumee
Location0.4 MI E of Carpenter
RouteCounty Highway 0
CountyHillsdale County
StateMichigan
Coordinates41.73825, -84.69075
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width31 ft (9.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33 (2014)
Projected traffic54 by 2038
Trucks0%
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

OwnerCounty Highway Agency
Maintained byCounty 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 Austin Road over W Br ST Joseph of Maumee built?

It was built in 1988, making it 37 years old in 2025.

What condition is Austin Road over W Br ST Joseph of Maumee 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 November 2024.

How much traffic does Austin Road over W Br ST Joseph of Maumee carry?

About 33 vehicles per day (2014 count).

How long is Austin Road over W Br ST Joseph of Maumee?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 31 ft wide.

Who owns Austin Road over W Br ST Joseph of Maumee?

It is owned by the County Highway Agency.