US Bridges

Csah 25 over Root River

FairPosted for load

Fillmore County, Minnesota · 0.1 MI W of JCT TH 16 · Structure no. 23503

Built
1963
62 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
401 ft
4 main spans
Daily traffic
1,150
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Root River is a steel continuous stringer/multi-beam or girder carrying Csah 25 over Root River in Fillmore County, Minnesota. It was built in 1963, so it is 62 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,150 vehicles a day, projected to reach 1,150 by 2039. The structure is 401 ft (122.3 m) long and 34 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCsah 25
CrossesRoot River
Location0.1 MI W of JCT TH 16
RouteCounty Highway 25
Coordinates43.78648, -91.8277
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating21.6 US tons
Inventory rating12.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length401 ft (122.3 m)
Longest span110 ft (33.4 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,150 (2017)
Projected traffic1,150 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Csah 25 over Root River built?

It was built in 1963, making it 62 years old in 2025.

What condition is Csah 25 over Root 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 March 2024.

How much traffic does Csah 25 over Root River carry?

About 1,150 vehicles per day (2017 count).

How long is Csah 25 over Root River?

The structure is 401 ft (122.3 m) long with a longest span of 110 ft (33.4 m) and a deck 34 ft wide.

Who owns Csah 25 over Root River?

It is owned by the County Highway Agency.