US Bridges

Csah 40 over Lynch Creek

Good

Fillmore County, Minnesota · 1.5 MI E of JCT TH 52 · Structure no. 23575

Built
2004
21 years old
Condition
Good
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
105 ft
1 main span
Daily traffic
175
2017 count
Owner
County
County Highway Agency

About this bridge

Csah 40 over Lynch Creek is a prestressed concrete stringer/multi-beam or girder carrying Csah 40 over Lynch Creek in Fillmore County, Minnesota. It was built in 2004, so it is 21 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 175 vehicles a day, projected to reach 175 by 2039. The structure is 105 ft (31.9 m) long and 43 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 40
CrossesLynch Creek
Location1.5 MI E of JCT TH 52
RouteCounty Highway 40
Coordinates43.83758, -92.12452
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 protection7 GoodSome minor problems.
Last inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.4 US tons
Inventory rating55.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length105 ft (31.9 m)
Longest span103 ft (31.4 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2017)
Projected traffic175 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 40 over Lynch Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Csah 40 over Lynch 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 April 2023.

How much traffic does Csah 40 over Lynch Creek carry?

About 175 vehicles per day (2017 count).

How long is Csah 40 over Lynch Creek?

The structure is 105 ft (31.9 m) long with a longest span of 103 ft (31.4 m) and a deck 43 ft wide.

Who owns Csah 40 over Lynch Creek?

It is owned by the County Highway Agency.