US Bridges

Mn 25 over Elk River

Fair

Sherburne County, Minnesota · 2.0 MI N of JCT TH 10 · Structure no. 71003

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
152 ft
3 main spans
Daily traffic
3,650
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 25 over Elk River is a steel continuous stringer/multi-beam or girder carrying Mn 25 over Elk River in Sherburne County, Minnesota. It was built in 1964, so it is 61 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 3,650 vehicles a day, roughly 8% of them trucks, projected to reach 3,650 by 2036. The structure is 152 ft (46.4 m) long and 46 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesMn 25
CrossesElk River
Location2.0 MI N of JCT TH 10
RouteState Highway 25
Coordinates45.43616, -93.90196
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.8 US tons
Inventory rating48.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length152 ft (46.4 m)
Longest span57 ft (17.5 m)
Deck width46 ft (14.1 m)
Roadway width43 ft (13 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,650 (2016)
Projected traffic3,650 by 2036
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed31.1 mi (50 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 25 over Elk River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Mn 25 over Elk 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 July 2024.

How much traffic does Mn 25 over Elk River carry?

About 3,650 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is Mn 25 over Elk River?

The structure is 152 ft (46.4 m) long with a longest span of 57 ft (17.5 m) and a deck 46 ft wide.

Who owns Mn 25 over Elk River?

It is owned by the State Highway Agency.