US Bridges

Pingree Road over North Shade Drain

PoorPosted for load

Gratiot County, Michigan · Sec 1-2 North Shade Twp · Structure no. 000000000003228

Built
1968
57 years old, rebuilt 1987
Condition
Poor
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
28 ft
1 main span
Daily traffic
80
2004 count
Owner
County
County Highway Agency

About this bridge

Pingree Road over North Shade Drain is a prestressed concrete box beam or girders - multiple carrying Pingree Road over North Shade Drain in Gratiot County, Michigan. It was built in 1968 and reconstructed in 1987, so it is 57 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. Its operating status is: posted for load restriction.

It carries about 80 vehicles a day, projected to reach 98 by 2024. The structure is 28 ft (8.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesPingree Road
CrossesNorth Shade Drain
LocationSec 1-2 North Shade Twp
RouteCounty Highway 0
Coordinates43.20172, -84.73848
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating79.1 US tons
Inventory rating47.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span23 ft (7 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2004)
Projected traffic98 by 2024
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 Pingree Road over North Shade Drain built?

It was built in 1968, making it 57 years old in 2025. It was reconstructed in 1987.

What condition is Pingree Road over North Shade Drain 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 July 2024.

How much traffic does Pingree Road over North Shade Drain carry?

About 80 vehicles per day (2004 count).

How long is Pingree Road over North Shade Drain?

The structure is 28 ft (8.5 m) long with a longest span of 23 ft (7 m) and a deck 24 ft wide.

Who owns Pingree Road over North Shade Drain?

It is owned by the County Highway Agency.