US Bridges

Csah 13 over E Fk Des Moines River

Good

Martin County, Minnesota · 1.1 MI N of JCT Csah 8 · Structure no. 46552

Built
1979
46 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
76 ft
2 main spans
Daily traffic
450
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 13 over E Fk Des Moines River is a prestressed concrete tee beam carrying Csah 13 over E Fk Des Moines River in Martin County, Minnesota. It was built in 1979, so it is 46 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 450 vehicles a day, projected to reach 430 by 2038. The structure is 76 ft (23.2 m) long and 45 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCsah 13
CrossesE Fk Des Moines River
Location1.1 MI N of JCT Csah 8
RouteCounty Highway 13
Coordinates43.57549, -94.73437
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60.7 US tons
Inventory rating38.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span37 ft (11.2 m)
Deck width45 ft (13.7 m)
Roadway width42 ft (12.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2018)
Projected traffic430 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 E Fk Des Moines River built?

It was built in 1979, making it 46 years old in 2025.

What condition is Csah 13 over E Fk Des Moines River 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 2024.

How much traffic does Csah 13 over E Fk Des Moines River carry?

About 450 vehicles per day (2018 count).

How long is Csah 13 over E Fk Des Moines River?

The structure is 76 ft (23.2 m) long with a longest span of 37 ft (11.2 m) and a deck 45 ft wide.

Who owns Csah 13 over E Fk Des Moines River?

It is owned by the County Highway Agency.