US Bridges

Csah 23 over US 71

Fair

Kandiyohi County, Minnesota · 2.0 MI NE of S JCT TH 23 · Structure no. 34006

Built
1977
48 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
450 ft
4 main spans
Daily traffic
6,600
2018 count
Owner
State
State Highway Agency

About this bridge

Csah 23 over US 71 is a steel continuous stringer/multi-beam or girder carrying Csah 23 over US 71 in Kandiyohi County, Minnesota. It was built in 1977, so it is 48 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 6,600 vehicles a day, projected to reach 6,300 by 2038. The structure is 450 ft (137.2 m) long and 50 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 23
CrossesUS 71
Location2.0 MI NE of S JCT TH 23
RouteCounty Highway 23
Coordinates45.11054, -95.01506
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.1 US tons
Inventory rating47.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length450 ft (137.2 m)
Longest span128 ft (39 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,600 (2018)
Projected traffic6,300 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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 23 over US 71 built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 23 over US 71 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2023.

How much traffic does Csah 23 over US 71 carry?

About 6,600 vehicles per day (2018 count).

How long is Csah 23 over US 71?

The structure is 450 ft (137.2 m) long with a longest span of 128 ft (39 m) and a deck 50 ft wide.

Who owns Csah 23 over US 71?

It is owned by the State Highway Agency.