US Bridges

Mn 92 over Hill River

Fair

Red Lake County, Minnesota · 1.2 MI E of JCT TH 59 · Structure no. 91741

Built
1989
36 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
670
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 92 over Hill River is a concrete culvert carrying Mn 92 over Hill River in Red Lake County, Minnesota. It was built in 1989, so it is 36 years old, younger than the Minnesota average of 38.5 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 670 vehicles a day, roughly 13% of them trucks, projected to reach 3 by 2038. The structure is 30 ft (9 m) long. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesMn 92
CrossesHill River
Location1.2 MI E of JCT TH 59
RouteState Highway 92
CountyRed Lake County
StateMinnesota
Coordinates47.81885, -95.9743
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2018)
Projected traffic3 by 2038
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Hill River built?

It was built in 1989, making it 36 years old in 2025.

What condition is Mn 92 over Hill 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 September 2023.

How much traffic does Mn 92 over Hill River carry?

About 670 vehicles per day (2018 count), of which roughly 13% are trucks.

How long is Mn 92 over Hill River?

The structure is 30 ft (9 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 92 over Hill River?

It is owned by the State Highway Agency.