US Bridges

23 Mile RD over Pine River

Fair

Osceola County, Michigan · Section 4/9 T20N R10W · Structure no. 000000000008619

Built
1993
32 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
36 ft
1 main span
Daily traffic
64
2000 count
Owner
County
County Highway Agency

About this bridge

23 Mile RD over Pine River is a concrete culvert carrying 23 Mile RD over Pine River in Osceola County, Michigan. It was built in 1993, so it is 32 years old, younger 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 64 vehicles a day, projected to reach 115 by 2020. The structure is 36 ft (10.9 m) long. If it were closed, the detour would be 124.3 mi (200 km).

Carries23 Mile RD
CrossesPine River
LocationSection 4/9 T20N R10W
RouteCounty Highway 0
Coordinates44.14678, -85.50904
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length36 ft (10.9 m)
Longest span36 ft (10.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic64 (2000)
Projected traffic115 by 2020
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed124.3 mi (200 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 23 Mile RD over Pine River built?

It was built in 1993, making it 32 years old in 2025.

What condition is 23 Mile RD over Pine 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 August 2024.

How much traffic does 23 Mile RD over Pine River carry?

About 64 vehicles per day (2000 count).

How long is 23 Mile RD over Pine River?

The structure is 36 ft (10.9 m) long with a longest span of 36 ft (10.9 m).

Who owns 23 Mile RD over Pine River?

It is owned by the County Highway Agency.