US Bridges

Csah 22 over Minnesota River

Fair

Yellow Medicine County, Minnesota · In Granite Falls · Structure no. 87513

Built
1974
51 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
292 ft
3 main spans
Daily traffic
3,450
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 22 over Minnesota River is a steel continuous stringer/multi-beam or girder carrying Csah 22 over Minnesota River in Yellow Medicine County, Minnesota. It was built in 1974, so it is 51 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.

It carries about 3,450 vehicles a day, projected to reach 3,450 by 2039. The structure is 292 ft (89 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 22
CrossesMinnesota River
LocationIn Granite Falls
RouteCounty Highway 22
Coordinates44.81233, -95.53543
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80.1 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length292 ft (89 m)
Longest span110 ft (33.5 m)
Deck width53 ft (16.2 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,450 (2017)
Projected traffic3,450 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 22 over Minnesota River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Csah 22 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 August 2024.

How much traffic does Csah 22 over Minnesota River carry?

About 3,450 vehicles per day (2017 count).

How long is Csah 22 over Minnesota River?

The structure is 292 ft (89 m) long with a longest span of 110 ft (33.5 m) and a deck 53 ft wide.

Who owns Csah 22 over Minnesota River?

It is owned by the County Highway Agency.