US Bridges

Csah 15 over Smith Creek

Good

Renville County, Minnesota · 2.3 MI NW of JCT Csah 1 · Structure no. 65553

Built
1997
28 years old
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
59 ft
1 main span
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Smith Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over Smith Creek in Renville County, Minnesota. It was built in 1997, so it is 28 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 100 vehicles a day, projected to reach 135 by 2039. The structure is 59 ft (18.1 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCsah 15
CrossesSmith Creek
Location2.3 MI NW of JCT Csah 1
RouteCounty Highway 15
Coordinates44.60594, -95.11973
Functional classRural Minor 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.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.5 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length59 ft (18.1 m)
Longest span58 ft (17.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic135 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 Smith Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Csah 15 over Smith 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 September 2023.

How much traffic does Csah 15 over Smith Creek carry?

About 100 vehicles per day (2019 count).

How long is Csah 15 over Smith Creek?

The structure is 59 ft (18.1 m) long with a longest span of 58 ft (17.6 m) and a deck 39 ft wide.

Who owns Csah 15 over Smith Creek?

It is owned by the County Highway Agency.