US Bridges

Dixboro RD over Mdot RR Cor & Huron Rvr

Fair

Washtenaw County, Michigan · Ann Arbor Twp Sec 36 · Structure no. 000000000013186

Built
2004
21 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
584 ft
5 main spans
Daily traffic
18,085
2008 count
Owner
County
County Highway Agency

About this bridge

Dixboro RD over Mdot RR Cor & Huron Rvr is a prestressed concrete stringer/multi-beam or girder carrying Dixboro RD over Mdot RR Cor & Huron Rvr in Washtenaw County, Michigan. It was built in 2004, so it is 21 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 18,085 vehicles a day, roughly 5% of them trucks, projected to reach 29,634 by 2028. The structure is 584 ft (178 m) long and 66 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesDixboro RD
CrossesMdot RR Cor & Huron Rvr
LocationAnn Arbor Twp Sec 36
RouteCounty Highway 2006
CountyWashtenaw County
StateMichigan
Coordinates42.27093, -83.67045
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.7 US tons
Inventory rating40 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length584 ft (178 m)
Longest span125 ft (38 m)
Deck width66 ft (20.1 m)
Roadway width54 ft (16.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic18,085 (2008)
Projected traffic29,634 by 2028
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad and waterway
Detour if closed1.2 mi (2 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 Dixboro RD over Mdot RR Cor & Huron Rvr built?

It was built in 2004, making it 21 years old in 2025.

What condition is Dixboro RD over Mdot RR Cor & Huron Rvr 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 July 2023.

How much traffic does Dixboro RD over Mdot RR Cor & Huron Rvr carry?

About 18,085 vehicles per day (2008 count), of which roughly 5% are trucks.

How long is Dixboro RD over Mdot RR Cor & Huron Rvr?

The structure is 584 ft (178 m) long with a longest span of 125 ft (38 m) and a deck 66 ft wide.

Who owns Dixboro RD over Mdot RR Cor & Huron Rvr?

It is owned by the County Highway Agency.