US Bridges

Auto Tour Route over E to C Spillway

GoodPosted for load

Schoolcraft County, Michigan · Sec 20 T45N R13W · Structure no. 000031510-00134

Built
1952
73 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
79 ft
7 main spans
Daily traffic
90
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Auto Tour Route over E to C Spillway is a wood or timber stringer/multi-beam or girder carrying Auto Tour Route over E to C Spillway in Schoolcraft 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 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. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, projected to reach 100 by 2043. The structure is 79 ft (24.1 m) long and 12 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesAuto Tour Route
CrossesE to C Spillway
LocationSec 20 T45N R13W
RouteFederal Lands Road 0
CountySchoolcraft County
StateMichigan
Coordinates46.27383, -85.95683
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating26 US tons
Inventory rating19 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadUnknown
Structure length79 ft (24.1 m)
Longest span11 ft (3.4 m)
Deck width12 ft (3.7 m)
Roadway width11 ft (3.4 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic90 (2023)
Projected traffic100 by 2043
Trucks0%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Auto Tour Route over E to C Spillway built?

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

What condition is Auto Tour Route over E to C Spillway 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 2023.

How much traffic does Auto Tour Route over E to C Spillway carry?

About 90 vehicles per day (2023 count).

How long is Auto Tour Route over E to C Spillway?

The structure is 79 ft (24.1 m) long with a longest span of 11 ft (3.4 m) and a deck 12 ft wide.

Who owns Auto Tour Route over E to C Spillway?

It is owned by the Bureau of Fish and Wildlife.