US Bridges

Csah 15 over Le Sueur Creek

Good

Le Sueur County, Minnesota · 0.8 MI N of JCT TH 112 · Structure no. 40520

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
93 ft
1 main span
Daily traffic
749
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 15 over Le Sueur Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 15 over Le Sueur Creek in Le Sueur County, Minnesota. It was built in 2005, so it is 20 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 749 vehicles a day, projected to reach 830 by 2041. The structure is 93 ft (28.2 m) long and 39 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesCsah 15
CrossesLe Sueur Creek
Location0.8 MI N of JCT TH 112
RouteCounty Highway 15
Coordinates44.39698, -93.82919
Functional classRural Major 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 protection7 GoodSome minor problems.
Last inspectionOctober 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.7 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length93 ft (28.2 m)
Longest span91 ft (27.6 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic749 (2021)
Projected traffic830 by 2041
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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$1,000 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 15 over Le Sueur Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Csah 15 over Le Sueur 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 October 2023.

How much traffic does Csah 15 over Le Sueur Creek carry?

About 749 vehicles per day (2021 count).

How long is Csah 15 over Le Sueur Creek?

The structure is 93 ft (28.2 m) long with a longest span of 91 ft (27.6 m) and a deck 39 ft wide.

Who owns Csah 15 over Le Sueur Creek?

It is owned by the County Highway Agency.