US Bridges

Csah 1 over N Br Root River

Good

Mower County, Minnesota · 1.3 MI E of JCT Csah 7 · Structure no. 50594

Built
2015
10 years old
Condition
Good
inspected September 2024
Type
Slab
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
440
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over N Br Root River is a concrete continuous slab carrying Csah 1 over N Br Root River in Mower County, Minnesota. It was built in 2015, so it is 10 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 440 vehicles a day, projected to reach 440 by 2039. The structure is 106 ft (32.2 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesCsah 1
CrossesN Br Root River
Location1.3 MI E of JCT Csah 7
RouteCounty Highway 1
CountyMower County
StateMinnesota
Coordinates43.80473, -92.70391
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating52.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length106 ft (32.2 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic440 (2016)
Projected traffic440 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 1 over N Br Root River built?

It was built in 2015, making it 10 years old in 2025.

What condition is Csah 1 over N Br Root 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 2024.

How much traffic does Csah 1 over N Br Root River carry?

About 440 vehicles per day (2016 count).

How long is Csah 1 over N Br Root River?

The structure is 106 ft (32.2 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Csah 1 over N Br Root River?

It is owned by the County Highway Agency.