Csah 13 over Stream

Fair

Dodge County, Minnesota · 0.9 MI S of JCT TH 30 · Structure no. 20534

Built: 1987; 38 years old
Condition: Fair; inspected October 2024
Type: Tee Beam; Prestressed Concrete
Length: 80 ft; 2 main spans
Daily traffic: 609; 2021 count
Owner: County; County Highway Agency

About this bridge

Csah 13 over Stream is a prestressed concrete tee beam carrying Csah 13 over Stream in Dodge County, Minnesota. It was built in 1987, so it is 38 years old, younger than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 609 vehicles a day, projected to reach 540 by 2041. The structure is 80 ft (24.4 m) long and 40 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCsah 13

CrossesStream

Location0.9 MI S of JCT TH 30

RouteCounty Highway 13

CountyDodge County

StateMinnesota

Coordinates43.87864, -92.73848

Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	6 Satisfactory	Structural elements show some minor deterioration.
Substructure	7 Good	Some minor problems.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionOctober 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to 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 rating61.2 US tons

Inventory rating36 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, precast panels

Main spans2

Design loadHS 20

Structure length80 ft (24.4 m)

Longest span39 ft (11.8 m)

Deck width40 ft (12.2 m)

Roadway width37 ft (11.2 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic609 (2021)

Projected traffic540 by 2041

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 Stream built?

It was built in 1987, making it 38 years old in 2025.

What condition is Csah 13 over Stream in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Csah 13 over Stream carry?

About 609 vehicles per day (2021 count).

How long is Csah 13 over Stream?

The structure is 80 ft (24.4 m) long with a longest span of 39 ft (11.8 m) and a deck 40 ft wide.

Who owns Csah 13 over Stream?

It is owned by the County Highway Agency.