US Bridges

Sagatoo Road over S Branch Pine River

FairPosted for load

Arenac County, Michigan · 0.1 MI East of City Limit · Structure no. 000000000000469

Built
1972
53 years old
Condition
Fair
inspected August 2024
Type
Slab
Wood or Timber
Length
78 ft
3 main spans
Daily traffic
1,960
2019 count
Owner
County
County Highway Agency

About this bridge

Sagatoo Road over S Branch Pine River is a wood or timber slab carrying Sagatoo Road over S Branch Pine River in Arenac County, Michigan. It was built in 1972, so it is 53 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. Its operating status is: posted for load restriction.

It carries about 1,960 vehicles a day, roughly 5% of them trucks, projected to reach 3,000 by 2039. The structure is 78 ft (23.7 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesSagatoo Road
CrossesS Branch Pine River
Location0.1 MI East of City Limit
RouteCounty Highway 0
CountyArenac County
StateMichigan
Coordinates43.95364, -83.94406
Functional classRural Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.4 US tons
Inventory rating40.3 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20 + Mod
Structure length78 ft (23.7 m)
Longest span26 ft (7.9 m)
Deck width32 ft (9.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,960 (2019)
Projected traffic3,000 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Sagatoo Road over S Branch Pine River built?

It was built in 1972, making it 53 years old in 2025.

What condition is Sagatoo Road over S Branch 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 Sagatoo Road over S Branch Pine River carry?

About 1,960 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Sagatoo Road over S Branch Pine River?

The structure is 78 ft (23.7 m) long with a longest span of 26 ft (7.9 m) and a deck 32 ft wide.

Who owns Sagatoo Road over S Branch Pine River?

It is owned by the County Highway Agency.