US Bridges

Csah 23 over Turtle Creek

Good

Mower County, Minnesota · 0.9 MI N of JCT Csah 28 · Structure no. 50591

Built
2012
13 years old
Condition
Good
inspected June 2024
Type
Slab
Concrete Continuous
Length
143 ft
3 main spans
Daily traffic
1,700
2016 count
Owner
County
County Highway Agency

About this bridge

Csah 23 over Turtle Creek is a concrete continuous slab carrying Csah 23 over Turtle Creek in Mower County, Minnesota. It was built in 2012, so it is 13 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 1,700 vehicles a day, projected to reach 1,700 by 2039. The structure is 143 ft (43.5 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 23
CrossesTurtle Creek
Location0.9 MI N of JCT Csah 28
RouteCounty Highway 23
Coordinates43.65034, -92.97942
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 rating88.8 US tons
Inventory rating53.2 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length143 ft (43.5 m)
Longest span56 ft (17.1 m)
Deck width49 ft (14.8 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2016)
Projected traffic1,700 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 23 over Turtle Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is Csah 23 over Turtle Creek 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 June 2024.

How much traffic does Csah 23 over Turtle Creek carry?

About 1,700 vehicles per day (2016 count).

How long is Csah 23 over Turtle Creek?

The structure is 143 ft (43.5 m) long with a longest span of 56 ft (17.1 m) and a deck 49 ft wide.

Who owns Csah 23 over Turtle Creek?

It is owned by the County Highway Agency.