US Bridges

Mn 92 over Poplar River

Good

Red Lake County, Minnesota · 3.0 MI W of Brooks · Structure no. 63003

Built
2014
11 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
350
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 92 over Poplar River is a prestressed concrete stringer/multi-beam or girder carrying Mn 92 over Poplar River in Red Lake County, Minnesota. It was built in 2014, so it is 11 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 350 vehicles a day, roughly 10% of them trucks, projected to reach 380 by 2042. The structure is 75 ft (23 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesMn 92
CrossesPoplar River
Location3.0 MI W of Brooks
RouteState Highway 92
Coordinates47.8182, -96.06522
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.5 US tons
Inventory rating46.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length75 ft (23 m)
Longest span73 ft (22.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2022)
Projected traffic380 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 92 over Poplar River built?

It was built in 2014, making it 11 years old in 2025.

What condition is Mn 92 over Poplar 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 July 2024.

How much traffic does Mn 92 over Poplar River carry?

About 350 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is Mn 92 over Poplar River?

The structure is 75 ft (23 m) long with a longest span of 73 ft (22.4 m) and a deck 43 ft wide.

Who owns Mn 92 over Poplar River?

It is owned by the State Highway Agency.