US Bridges

Csah 1 over S Br Root River

Good

Fillmore County, Minnesota · 1.3 MI N of JCT Csah 3 · Structure no. 23596

Built
2019
6 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
109 ft
3 main spans
Daily traffic
740
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 1 over S Br Root River is a concrete continuous slab carrying Csah 1 over S Br Root River in Fillmore County, Minnesota. It was built in 2019, so it is 6 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 740 vehicles a day, projected to reach 780 by 2037. The structure is 109 ft (33.1 m) long and 35 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 1
CrossesS Br Root River
Location1.3 MI N of JCT Csah 3
RouteCounty Highway 1
Coordinates43.63591, -92.42939
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating49.3 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length109 ft (33.1 m)
Longest span41 ft (12.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2017)
Projected traffic780 by 2037
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 1 over S Br Root River built?

It was built in 2019, making it 6 years old in 2025.

What condition is Csah 1 over S 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 March 2024.

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

About 740 vehicles per day (2017 count).

How long is Csah 1 over S Br Root River?

The structure is 109 ft (33.1 m) long with a longest span of 41 ft (12.5 m) and a deck 35 ft wide.

Who owns Csah 1 over S Br Root River?

It is owned by the County Highway Agency.