US Bridges

Old M-76 over North Br Pine River

Poor

Arenac County, Michigan · 2.6 Miles NW of Standish · Structure no. 000000000000446

Built
1932
93 years old, rebuilt 1945
Condition
Poor
inspected August 2024
Type
Tee Beam
Concrete
Length
29 ft
1 main span
Daily traffic
2,554
2018 count
Owner
County
County Highway Agency

About this bridge

Old M-76 over North Br Pine River is a concrete tee beam carrying Old M-76 over North Br Pine River in Arenac County, Michigan. It was built in 1932 and reconstructed in 1945, so it is 93 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 2,554 vehicles a day, projected to reach 3,100 by 2038. The structure is 29 ft (8.8 m) long and 38 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesOld M-76
CrossesNorth Br Pine River
Location2.6 Miles NW of Standish
RouteCounty Highway 613
CountyArenac County
StateMichigan
Coordinates44.01, -83.99299
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating41.7 US tons
Inventory rating32.4 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length29 ft (8.8 m)
Longest span24 ft (7.3 m)
Deck width38 ft (11.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,554 (2018)
Projected traffic3,100 by 2038
Trucks0%
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$7,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old M-76 over North Br Pine River built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1945.

What condition is Old M-76 over North Br Pine River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Old M-76 over North Br Pine River carry?

About 2,554 vehicles per day (2018 count).

How long is Old M-76 over North Br Pine River?

The structure is 29 ft (8.8 m) long with a longest span of 24 ft (7.3 m) and a deck 38 ft wide.

Who owns Old M-76 over North Br Pine River?

It is owned by the County Highway Agency.