US Bridges

Pipestone Road over US-31

Good

Berrien County, Michigan · 6.4 MI N of Old US-31 · Structure no. 000000000012897

Built
2001
24 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
319 ft
4 main spans
Daily traffic
8,380
2003 count
Owner
State
State Highway Agency

About this bridge

Pipestone Road over US-31 is a prestressed concrete stringer/multi-beam or girder carrying Pipestone Road over US-31 in Berrien County, Michigan. It was built in 2001, so it is 24 years old, younger than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 8,380 vehicles a day, roughly 19% of them trucks, projected to reach 9,386 by 2018. The structure is 319 ft (97.2 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesPipestone Road
CrossesUS-31
Location6.4 MI N of Old US-31
RouteCounty Highway 0
Coordinates42.05387, -86.37628
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length319 ft (97.2 m)
Longest span120 ft (36.6 m)
Deck width83 ft (25.4 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,380 (2003)
Projected traffic9,386 by 2018
Trucks19%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Pipestone Road over US-31 built?

It was built in 2001, making it 24 years old in 2025.

What condition is Pipestone Road over US-31 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does Pipestone Road over US-31 carry?

About 8,380 vehicles per day (2003 count), of which roughly 19% are trucks.

How long is Pipestone Road over US-31?

The structure is 319 ft (97.2 m) long with a longest span of 120 ft (36.6 m) and a deck 83 ft wide.

Who owns Pipestone Road over US-31?

It is owned by the State Highway Agency.