US Bridges

Csah 28 over Turtle Creek

Good

Freeborn County, Minnesota · 0.4 MI N of JCT TH 251 · Structure no. 24544

Built
2008
17 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
87 ft
1 main span
Daily traffic
310
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 28 over Turtle Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 28 over Turtle Creek in Freeborn County, Minnesota. It was built in 2008, so it is 17 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 310 vehicles a day, projected to reach 310 by 2039. The structure is 87 ft (26.4 m) long and 35 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesCsah 28
CrossesTurtle Creek
Location0.4 MI N of JCT TH 251
RouteCounty Highway 28
Coordinates43.76603, -93.20442
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.2 US tons
Inventory rating39.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length87 ft (26.4 m)
Longest span85 ft (25.8 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2017)
Projected traffic310 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 28 over Turtle Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is Csah 28 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 December 2023.

How much traffic does Csah 28 over Turtle Creek carry?

About 310 vehicles per day (2017 count).

How long is Csah 28 over Turtle Creek?

The structure is 87 ft (26.4 m) long with a longest span of 85 ft (25.8 m) and a deck 35 ft wide.

Who owns Csah 28 over Turtle Creek?

It is owned by the County Highway Agency.