US Bridges

Csah 7 over Buffalo Creek

Fair

McLeod County, Minnesota · 0.7 MI S of JCT CR 53 · Structure no. 43512

Built
1975
50 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
148 ft
3 main spans
Daily traffic
811
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Buffalo Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 7 over Buffalo Creek in McLeod County, Minnesota. It was built in 1975, so it is 50 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 811 vehicles a day, projected to reach 1,050 by 2041. The structure is 148 ft (45 m) long and 44 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesCsah 7
CrossesBuffalo Creek
Location0.7 MI S of JCT CR 53
RouteCounty Highway 7
CountyMcLeod County
StateMinnesota
Coordinates44.75121, -94.45776
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating27.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length148 ft (45 m)
Longest span49 ft (14.8 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic811 (2021)
Projected traffic1,050 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 7 over Buffalo Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Csah 7 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 2023.

How much traffic does Csah 7 over Buffalo Creek carry?

About 811 vehicles per day (2021 count).

How long is Csah 7 over Buffalo Creek?

The structure is 148 ft (45 m) long with a longest span of 49 ft (14.8 m) and a deck 44 ft wide.

Who owns Csah 7 over Buffalo Creek?

It is owned by the County Highway Agency.