Csah 13 over Lake Shetek Channel

Good

Murray County, Minnesota · 1.4 MI E of JCT TH 59 · Structure no. 51520

Built: 1981; 44 years old
Condition: Good; inspected September 2023
Type: Slab; Wood or Timber
Length: 54 ft; 3 main spans
Daily traffic: 780; 2017 count
Owner: County; County Highway Agency

About this bridge

Csah 13 over Lake Shetek Channel is a wood or timber slab carrying Csah 13 over Lake Shetek Channel in Murray County, Minnesota. It was built in 1981, so it is 44 years old, older 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 780 vehicles a day, projected to reach 780 by 2039. The structure is 54 ft (16.5 m) long and 38 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesCsah 13

CrossesLake Shetek Channel

Location1.4 MI E of JCT TH 59

RouteCounty Highway 13

CountyMurray County

StateMinnesota

Coordinates44.10921, -95.71687

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	7 Good	Some minor problems.
Channel and channel protection	7 Good	Some minor problems.

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 geometry7: Better than present minimum criteria

Waterway adequacy8: Equal to present desirable criteria

Approach roadway alignment8: Equal to present desirable criteria

Operating rating49.7 US tons

Inventory rating36 US tons

Structure

Structure typeSlab

MaterialWood or Timber

DeckWood or timber

Main spans3

Design loadHS 20

Structure length54 ft (16.5 m)

Longest span18 ft (5.5 m)

Deck width38 ft (11.6 m)

Roadway width36 ft (11.1 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic780 (2017)

Projected traffic780 by 2039

Trucks—

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed98.8 mi (159 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 13 over Lake Shetek Channel built?

It was built in 1981, making it 44 years old in 2025.

What condition is Csah 13 over Lake Shetek Channel 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 13 over Lake Shetek Channel carry?

About 780 vehicles per day (2017 count).

How long is Csah 13 over Lake Shetek Channel?

The structure is 54 ft (16.5 m) long with a longest span of 18 ft (5.5 m) and a deck 38 ft wide.

Who owns Csah 13 over Lake Shetek Channel?

It is owned by the County Highway Agency.