US Bridges

Schmeid RD CO 550 over Pine River

Good

Montcalm County, Michigan · 5.5 MI E of Wyman · Structure no. 000000000007470

Built
1983
42 years old
Condition
Good
inspected September 2023
Type
Slab
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
147
2022 count
Owner
County
County Highway Agency

About this bridge

Schmeid RD CO 550 over Pine River is a wood or timber slab carrying Schmeid RD CO 550 over Pine River in Montcalm County, Michigan. It was built in 1983, so it is 42 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 147 vehicles a day, projected to reach 179 by 2042. The structure is 40 ft (12.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSchmeid RD CO 550
CrossesPine River
Location5.5 MI E of Wyman
RouteCounty Highway 5977
Coordinates43.45917, -84.94139
Functional classRural Major Collector

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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.4 US tons
Inventory rating41.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadHS 20 + Mod
Structure length40 ft (12.2 m)
Longest span20 ft (6.1 m)
Deck width31 ft (9.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic147 (2022)
Projected traffic179 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Schmeid RD CO 550 over Pine River built?

It was built in 1983, making it 42 years old in 2025.

What condition is Schmeid RD CO 550 over Pine River 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 September 2023.

How much traffic does Schmeid RD CO 550 over Pine River carry?

About 147 vehicles per day (2022 count).

How long is Schmeid RD CO 550 over Pine River?

The structure is 40 ft (12.2 m) long with a longest span of 20 ft (6.1 m) and a deck 31 ft wide.

Who owns Schmeid RD CO 550 over Pine River?

It is owned by the County Highway Agency.