US Bridges

Blanchard Road over South Br Pine River

Fair

Isabella County, Michigan · Sec 10 Rolland Twp · Structure no. 000000000004274

Built
1996
29 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
54 ft
1 main span
Daily traffic
1,900
2002 count
Owner
County
County Highway Agency

About this bridge

Blanchard Road over South Br Pine River is a prestressed concrete box beam or girders - multiple carrying Blanchard Road over South Br Pine River in Isabella County, Michigan. It was built in 1996, so it is 29 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 1,900 vehicles a day, projected to reach 2,820 by 2022. The structure is 54 ft (16.4 m) long and 34 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesBlanchard Road
CrossesSouth Br Pine River
LocationSec 10 Rolland Twp
RouteCounty Highway 3716
CountyIsabella County
StateMichigan
Coordinates43.5239, -85.01143
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating83.2 US tons
Inventory rating49.8 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length54 ft (16.4 m)
Longest span50 ft (15.2 m)
Deck width34 ft (10.5 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2002)
Projected traffic2,820 by 2022
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 Blanchard Road over South Br Pine River built?

It was built in 1996, making it 29 years old in 2025.

What condition is Blanchard Road over South Br 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 July 2024.

How much traffic does Blanchard Road over South Br Pine River carry?

About 1,900 vehicles per day (2002 count).

How long is Blanchard Road over South Br Pine River?

The structure is 54 ft (16.4 m) long with a longest span of 50 ft (15.2 m) and a deck 34 ft wide.

Who owns Blanchard Road over South Br Pine River?

It is owned by the County Highway Agency.