US Bridges

Mn 92 over Hill River

Fair

Red Lake County, Minnesota · 2.5 MI E of Brooks · Structure no. 8802

Built
1953
72 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
34 ft
3 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 1953, so it is 72 years old, older 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 10% of them trucks, projected to reach 780 by 2038. The structure is 34 ft (10.4 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMn 92
CrossesHill River
Location2.5 MI E of Brooks
RouteState Highway 92
Coordinates47.81942, -95.94926
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 protection6 SatisfactoryStructural elements show some minor deterioration.
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 alignment7: Better than present minimum criteria
Operating rating43.2 US tons
Inventory rating32.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic670 (2018)
Projected traffic780 by 2038
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$99 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 92 over Hill River built?

It was built in 1953, making it 72 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 10% are trucks.

How long is Mn 92 over Hill River?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m).

Who owns Mn 92 over Hill River?

It is owned by the State Highway Agency.