US Bridges

Csah 15 over Steward Crk (cd # 23)

Good

Freeborn County, Minnesota · 0.9 MI E of JCT Csah 4 · Structure no. 24537

Built
2002
23 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
1 main span
Daily traffic
80
2013 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Steward Crk (cd # 23) is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over Steward Crk (cd # 23) in Freeborn 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 80 vehicles a day, projected to reach 80 by 2039. The structure is 82 ft (25.1 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 15
CrossesSteward Crk (cd # 23)
Location0.9 MI E of JCT Csah 4
RouteCounty Highway 15
Coordinates43.5862, -93.54972
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 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 geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.6 US tons
Inventory rating48.2 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length82 ft (25.1 m)
Longest span81 ft (24.6 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2013)
Projected traffic80 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 15 over Steward Crk (cd # 23) built?

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

What condition is Csah 15 over Steward Crk (cd # 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 January 2024.

How much traffic does Csah 15 over Steward Crk (cd # 23) carry?

About 80 vehicles per day (2013 count).

How long is Csah 15 over Steward Crk (cd # 23)?

The structure is 82 ft (25.1 m) long with a longest span of 81 ft (24.6 m) and a deck 35 ft wide.

Who owns Csah 15 over Steward Crk (cd # 23)?

It is owned by the County Highway Agency.