US Bridges

Csah 25 over Cedar River

PoorPosted for load

Mower County, Minnesota · 0.1 MI N of JCT Csah 16 · Structure no. 50517

Built
1968
57 years old
Condition
Poor
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
200 ft
3 main spans
Daily traffic
949
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Cedar River is a steel continuous stringer/multi-beam or girder carrying Csah 25 over Cedar River in Mower County, Minnesota. It was built in 1968, so it is 57 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 949 vehicles a day, roughly 5% of them trucks, projected to reach 970 by 2041. The structure is 200 ft (61 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 25
CrossesCedar River
Location0.1 MI N of JCT Csah 16
RouteCounty Highway 25
Coordinates43.70683, -92.96096
Functional classUrban Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating23.4 US tons
Inventory rating14.4 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length200 ft (61 m)
Longest span61 ft (18.6 m)
Deck width34 ft (10.4 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic949 (2021)
Projected traffic970 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Cedar River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 25 over Cedar River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Csah 25 over Cedar River carry?

About 949 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Csah 25 over Cedar River?

The structure is 200 ft (61 m) long with a longest span of 61 ft (18.6 m) and a deck 34 ft wide.

Who owns Csah 25 over Cedar River?

It is owned by the County Highway Agency.