US Bridges

Csah 9 over TH 23

Good

Kandiyohi County, Minnesota · .75 MI E of JCT TH 71 · Structure no. 34028

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
230 ft
2 main spans
Daily traffic
820
2018 count
Owner
State
State Highway Agency

About this bridge

Csah 9 over TH 23 is a prestressed concrete stringer/multi-beam or girder carrying Csah 9 over TH 23 in Kandiyohi County, Minnesota. It was built in 2002, so it is 23 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 820 vehicles a day, projected to reach 950 by 2038. The structure is 230 ft (70.1 m) long and 61 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 9
CrossesTH 23
Location.75 MI E of JCT TH 71
RouteCounty Highway 9
Coordinates45.20432, -94.98707
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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.1 US tons
Inventory rating43.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length230 ft (70.1 m)
Longest span113 ft (34.3 m)
Deck width61 ft (18.7 m)
Roadway width58 ft (17.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2018)
Projected traffic950 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Csah 9 over TH 23 built?

It was built in 2002, making it 23 years old in 2025.

What condition is Csah 9 over TH 23 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 August 2023.

How much traffic does Csah 9 over TH 23 carry?

About 820 vehicles per day (2018 count).

How long is Csah 9 over TH 23?

The structure is 230 ft (70.1 m) long with a longest span of 113 ft (34.3 m) and a deck 61 ft wide.

Who owns Csah 9 over TH 23?

It is owned by the State Highway Agency.