US Bridges

Csah 25 over Red River of the North

PoorPosted for load

Norman County, Minnesota · 1.1 MI W of JCT TH 75 · Structure no. 6676

Built
1952
73 years old, rebuilt 1990
Condition
Poor
inspected July 2024
Type
Truss - Thru
Steel
Length
571 ft
2 main spans
Daily traffic
175
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 25 over Red River of the North is a steel truss - thru carrying Csah 25 over Red River of the North in Norman County, Minnesota. It was built in 1952 and reconstructed in 1990, so it is 73 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 175 vehicles a day, projected to reach 175 by 2039. The structure is 571 ft (174.1 m) long and 26 ft wide. If it were closed, the detour would be 31.1 mi (50 km).

CarriesCsah 25
CrossesRed River of the North
Location1.1 MI W of JCT TH 75
RouteCounty Highway 25
Coordinates47.26673, -96.83442
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating24.3 US tons
Inventory rating18.5 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadH 20
Structure length571 ft (174.1 m)
Longest span200 ft (61 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deck16 ft (5 m)

Traffic and service

Average daily traffic175 (2016)
Projected traffic175 by 2039
Trucks—
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

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 Red River of the North built?

It was built in 1952, making it 73 years old in 2025. It was reconstructed in 1990.

What condition is Csah 25 over Red River of the North 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 July 2024.

How much traffic does Csah 25 over Red River of the North carry?

About 175 vehicles per day (2016 count).

How long is Csah 25 over Red River of the North?

The structure is 571 ft (174.1 m) long with a longest span of 200 ft (61 m) and a deck 26 ft wide.

Who owns Csah 25 over Red River of the North?

It is owned by the County Highway Agency.