US Bridges

Mn 34 over Fish Hook River

Good

Hubbard County, Minnesota · 0.3 MI E of JCT TH 71 · Structure no. 95917

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
15,900
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 34 over Fish Hook River is a concrete culvert carrying Mn 34 over Fish Hook River in Hubbard County, Minnesota. It was built in 1986, so it is 39 years old, older 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 15,900 vehicles a day, roughly 6% of them trucks, projected to reach 17,500 by 2039. The structure is 21 ft (6.5 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMn 34
CrossesFish Hook River
Location0.3 MI E of JCT TH 71
RouteState Highway 34
Coordinates46.92218, -95.05273
Functional classRural Principal Arterial - Other

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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 spans1
Design loadHS 20
Structure length21 ft (6.5 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,900 (2019)
Projected traffic17,500 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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 34 over Fish Hook River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Mn 34 over Fish Hook 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 June 2023.

How much traffic does Mn 34 over Fish Hook River carry?

About 15,900 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Mn 34 over Fish Hook River?

The structure is 21 ft (6.5 m) long with a longest span of 20 ft (6.1 m).

Who owns Mn 34 over Fish Hook River?

It is owned by the State Highway Agency.