US Bridges

Mn 9 over Pomme De Terre River

Good

Stevens County, Minnesota · 3.2 MI SE of Morris · Structure no. 75004

Built
2017
8 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
92 ft
1 main span
Daily traffic
2,100
2020 count
Owner
State
State Highway Agency

About this bridge

Mn 9 over Pomme De Terre River is a prestressed concrete stringer/multi-beam or girder carrying Mn 9 over Pomme De Terre River in Stevens County, Minnesota. It was built in 2017, so it is 8 years old, younger than the Minnesota average of 38.5 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 2,100 vehicles a day, roughly 17% of them trucks, projected to reach 2,550 by 2040. The structure is 92 ft (28.1 m) long and 60 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMn 9
CrossesPomme De Terre River
Location3.2 MI SE of Morris
RouteState Highway 9
Coordinates45.5523, -95.87596
Functional classRural Minor Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating53.9 US tons
Inventory rating41.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length92 ft (28.1 m)
Longest span90 ft (27.5 m)
Deck width60 ft (18.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,100 (2020)
Projected traffic2,550 by 2040
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 9 over Pomme De Terre River built?

It was built in 2017, making it 8 years old in 2025.

What condition is Mn 9 over Pomme De Terre River 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 September 2024.

How much traffic does Mn 9 over Pomme De Terre River carry?

About 2,100 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Mn 9 over Pomme De Terre River?

The structure is 92 ft (28.1 m) long with a longest span of 90 ft (27.5 m) and a deck 60 ft wide.

Who owns Mn 9 over Pomme De Terre River?

It is owned by the State Highway Agency.