US Bridges

Csah 9 over Buffalo Creek

Fair

McLeod County, Minnesota · 0.6 MI N of JCT Csah 3 · Structure no. 43509

Built
1973
52 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
148 ft
3 main spans
Daily traffic
1,100
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Buffalo Creek is a steel continuous stringer/multi-beam or girder carrying Csah 9 over Buffalo Creek in McLeod County, Minnesota. It was built in 1973, so it is 52 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 6 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 1,100 vehicles a day, projected to reach 1,100 by 2039. The structure is 148 ft (45 m) long and 44 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCsah 9
CrossesBuffalo Creek
Location0.6 MI N of JCT Csah 3
RouteCounty Highway 9
CountyMcLeod County
StateMinnesota
Coordinates44.80082, -94.04057
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating33.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45 m)
Longest span56 ft (17.1 m)
Deck width44 ft (13.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,100 (2017)
Projected traffic1,100 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 9 over Buffalo Creek built?

It was built in 1973, making it 52 years old in 2025.

What condition is Csah 9 over Buffalo Creek 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 October 2024.

How much traffic does Csah 9 over Buffalo Creek carry?

About 1,100 vehicles per day (2017 count).

How long is Csah 9 over Buffalo Creek?

The structure is 148 ft (45 m) long with a longest span of 56 ft (17.1 m) and a deck 44 ft wide.

Who owns Csah 9 over Buffalo Creek?

It is owned by the County Highway Agency.