US Bridges

CR A9 over Yellow Medicine River

Good

Yellow Medicine County, Minnesota · 0.8 MI S of JCT Csah 3 · Structure no. 87563

Built
2018
7 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
252 ft
3 main spans
Daily traffic
35
2013 count
Owner
County
County Highway Agency

About this bridge

CR A9 over Yellow Medicine River is a prestressed concrete stringer/multi-beam or girder carrying CR A9 over Yellow Medicine River in Yellow Medicine County, Minnesota. It was built in 2018, so it is 7 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 35 vehicles a day, projected to reach 40 by 2033. The structure is 252 ft (76.9 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR A9
CrossesYellow Medicine River
Location0.8 MI S of JCT Csah 3
RouteCounty Highway 0A9
Coordinates44.70559, -95.58353
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable 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 rating53.2 US tons
Inventory rating41.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length252 ft (76.9 m)
Longest span84 ft (25.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2013)
Projected traffic40 by 2033
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR A9 over Yellow Medicine River built?

It was built in 2018, making it 7 years old in 2025.

What condition is CR A9 over Yellow Medicine River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does CR A9 over Yellow Medicine River carry?

About 35 vehicles per day (2013 count).

How long is CR A9 over Yellow Medicine River?

The structure is 252 ft (76.9 m) long with a longest span of 84 ft (25.5 m) and a deck 35 ft wide.

Who owns CR A9 over Yellow Medicine River?

It is owned by the County Highway Agency.