US Bridges

Fox River RD P450 over Fox River

Fair

Schoolcraft County, Michigan · In Seney · Structure no. 000000000009713

Built
1938
87 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
80 ft
2 main spans
Daily traffic
225
2022 count
Owner
County
County Highway Agency

About this bridge

Fox River RD P450 over Fox River is a steel stringer/multi-beam or girder carrying Fox River RD P450 over Fox River in Schoolcraft County, Michigan. It was built in 1938, so it is 87 years old, older 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 225 vehicles a day, roughly 1% of them trucks, projected to reach 275 by 2042. The structure is 80 ft (24.4 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesFox River RD P450
CrossesFox River
LocationIn Seney
RouteCounty Highway 0
CountySchoolcraft County
StateMichigan
Coordinates46.3446, -85.95027
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length80 ft (24.4 m)
Longest span40 ft (12.2 m)
Deck width36 ft (10.9 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2022)
Projected traffic275 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Fox River RD P450 over Fox River built?

It was built in 1938, making it 87 years old in 2025.

What condition is Fox River RD P450 over Fox River 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 June 2023.

How much traffic does Fox River RD P450 over Fox River carry?

About 225 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Fox River RD P450 over Fox River?

The structure is 80 ft (24.4 m) long with a longest span of 40 ft (12.2 m) and a deck 36 ft wide.

Who owns Fox River RD P450 over Fox River?

It is owned by the County Highway Agency.