US Bridges

Mn 25 over Minnesota River

Fair

Sibley County, Minnesota · At Sibly Hennepin CO Line · Structure no. 72012

Built
2005
20 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
593 ft
3 main spans
Daily traffic
5,036
2022 count
Owner
State
State Highway Agency

About this bridge

Mn 25 over Minnesota River is a steel continuous stringer/multi-beam or girder carrying Mn 25 over Minnesota River in Sibley County, Minnesota. It was built in 2005, so it is 20 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 5,036 vehicles a day, roughly 9% of them trucks, projected to reach 5,500 by 2042. The structure is 593 ft (180.7 m) long and 58 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMn 25
CrossesMinnesota River
LocationAt Sibly Hennepin CO Line
RouteState Highway 25
Coordinates44.63324, -93.76577
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 rating85.9 US tons
Inventory rating51.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length593 ft (180.7 m)
Longest span272 ft (82.9 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,036 (2022)
Projected traffic5,500 by 2042
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 25 over Minnesota River built?

It was built in 2005, making it 20 years old in 2025.

What condition is Mn 25 over Minnesota 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 2023.

How much traffic does Mn 25 over Minnesota River carry?

About 5,036 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is Mn 25 over Minnesota River?

The structure is 593 ft (180.7 m) long with a longest span of 272 ft (82.9 m) and a deck 58 ft wide.

Who owns Mn 25 over Minnesota River?

It is owned by the State Highway Agency.