US Bridges

CO RD P-437 FH43 over Indian River

Fair

Schoolcraft County, Michigan · 3.5 MI W of M-94 · Structure no. 000000000009704

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
54
2015 count
Owner
County
County Highway Agency

About this bridge

CO RD P-437 FH43 over Indian River is a steel stringer/multi-beam or girder carrying CO RD P-437 FH43 over Indian River in Schoolcraft County, Michigan. It was built in 1961, so it is 64 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 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 54 vehicles a day, projected to reach 75 by 2035. The structure is 60 ft (18.2 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesCO RD P-437 FH43
CrossesIndian River
Location3.5 MI W of M-94
RouteCounty Highway 7509
CountySchoolcraft County
StateMichigan
Coordinates46.18458, -86.49004
Functional classRural Major Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating101.4 US tons
Inventory rating60.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length60 ft (18.2 m)
Longest span58 ft (17.6 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2015)
Projected traffic75 by 2035
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 CO RD P-437 FH43 over Indian River built?

It was built in 1961, making it 64 years old in 2025.

What condition is CO RD P-437 FH43 over Indian 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 CO RD P-437 FH43 over Indian River carry?

About 54 vehicles per day (2015 count).

How long is CO RD P-437 FH43 over Indian River?

The structure is 60 ft (18.2 m) long with a longest span of 58 ft (17.6 m) and a deck 32 ft wide.

Who owns CO RD P-437 FH43 over Indian River?

It is owned by the County Highway Agency.