US Bridges

Csah 7 over Buffalo River

Good

Becker County, Minnesota · 1.1 MI N of JCT Csah 12 · Structure no. 03J37

Built
2009
16 years old
Condition
Good
inspected September 2021
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
435
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 7 over Buffalo River is a concrete culvert carrying Csah 7 over Buffalo River in Becker County, Minnesota. It was built in 2009, so it is 16 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 435 vehicles a day, projected to reach 435 by 2039. The structure is 46 ft (13.9 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 7
CrossesBuffalo River
Location1.1 MI N of JCT Csah 12
RouteCounty Highway 7
Coordinates46.95121, -96.1115
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length46 ft (13.9 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic435 (2016)
Projected traffic435 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 7 over Buffalo River built?

It was built in 2009, making it 16 years old in 2025.

What condition is Csah 7 over Buffalo 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 September 2021.

How much traffic does Csah 7 over Buffalo River carry?

About 435 vehicles per day (2016 count).

How long is Csah 7 over Buffalo River?

The structure is 46 ft (13.9 m) long with a longest span of 14 ft (4.3 m).

Who owns Csah 7 over Buffalo River?

It is owned by the County Highway Agency.