US Bridges

County Road P449 over Indian River

Good

Schoolcraft County, Michigan · 4.6 MI S of M-94 · Structure no. 000000000009705

Built
1982
43 years old
Condition
Good
inspected June 2023
Type
Slab
Wood or Timber
Length
76 ft
3 main spans
Daily traffic
27
2015 count
Owner
County
County Highway Agency

About this bridge

County Road P449 over Indian River is a wood or timber slab carrying County Road P449 over Indian River in Schoolcraft County, Michigan. It was built in 1982, so it is 43 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 27 vehicles a day, projected to reach 42 by 2035. The structure is 76 ft (23.1 m) long and 30 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCounty Road P449
CrossesIndian River
Location4.6 MI S of M-94
RouteCounty Highway 0
Coordinates46.09022, -86.4106
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.
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 above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.8 US tons
Inventory rating42.1 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20 + Mod
Structure length76 ft (23.1 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27 (2015)
Projected traffic42 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 County Road P449 over Indian River built?

It was built in 1982, making it 43 years old in 2025.

What condition is County Road P449 over Indian 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 June 2023.

How much traffic does County Road P449 over Indian River carry?

About 27 vehicles per day (2015 count).

How long is County Road P449 over Indian River?

The structure is 76 ft (23.1 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns County Road P449 over Indian River?

It is owned by the County Highway Agency.