US Bridges

Csah 9 over Unnamed Stream

Good

Dodge County, Minnesota · 0.6 MI N of JCT Csah 6 · Structure no. 20J44

Built
2020
5 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
31 ft
3 main spans
Daily traffic
739
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 9 over Unnamed Stream is a concrete culvert carrying Csah 9 over Unnamed Stream in Dodge County, Minnesota. It was built in 2020, so it is 5 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 739 vehicles a day, projected to reach 1,388 by 2041. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 9
CrossesUnnamed Stream
Location0.6 MI N of JCT Csah 6
RouteCounty Highway 9
Coordinates43.97371, -92.79899
Functional classRural Minor 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 protection9 ExcellentNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length31 ft (9.6 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic739 (2021)
Projected traffic1,388 by 2041
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 9 over Unnamed Stream built?

It was built in 2020, making it 5 years old in 2025.

What condition is Csah 9 over Unnamed Stream 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 July 2024.

How much traffic does Csah 9 over Unnamed Stream carry?

About 739 vehicles per day (2021 count).

How long is Csah 9 over Unnamed Stream?

The structure is 31 ft (9.6 m) long with a longest span of 12 ft (3.7 m).

Who owns Csah 9 over Unnamed Stream?

It is owned by the County Highway Agency.