US Bridges

Inselruhe Ave over Nashua Canal

Good

Wayne County, Michigan · Belle Isle · Structure no. 000000000012455

Built
1999
26 years old
Condition
Good
inspected August 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
308
2005 count
Owner
State
State Highway Agency

About this bridge

Inselruhe Ave over Nashua Canal is a prestressed concrete box beam or girders - multiple carrying Inselruhe Ave over Nashua Canal in Wayne County, Michigan. It was built in 1999, so it is 26 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 308 vehicles a day, roughly 3% of them trucks, projected to reach 554 by 2025. The structure is 45 ft (13.6 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesInselruhe Ave
CrossesNashua Canal
LocationBelle Isle
RouteState Highway 708
Coordinates42.33572, -82.98427
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating97.1 US tons
Inventory rating58.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length45 ft (13.6 m)
Longest span45 ft (13.6 m)
Deck width44 ft (13.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic308 (2005)
Projected traffic554 by 2025
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Inselruhe Ave over Nashua Canal built?

It was built in 1999, making it 26 years old in 2025.

What condition is Inselruhe Ave over Nashua Canal 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 August 2024.

How much traffic does Inselruhe Ave over Nashua Canal carry?

About 308 vehicles per day (2005 count), of which roughly 3% are trucks.

How long is Inselruhe Ave over Nashua Canal?

The structure is 45 ft (13.6 m) long with a longest span of 45 ft (13.6 m) and a deck 44 ft wide.

Who owns Inselruhe Ave over Nashua Canal?

It is owned by the State Highway Agency.