Csah 13 over Salem Creek

Fair

Dodge County, Minnesota · 4.5 MI S of JCT TH 14 · Structure no. 20508

Built: 1977; 48 years old
Condition: Fair; inspected June 2023
Type: Tee Beam; Prestressed Concrete
Length: 81 ft; 2 main spans
Daily traffic: 1,446; 2021 count
Owner: County; County Highway Agency

About this bridge

Csah 13 over Salem Creek is a prestressed concrete tee beam carrying Csah 13 over Salem Creek in Dodge County, Minnesota. It was built in 1977, so it is 48 years old, older 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 1,446 vehicles a day, projected to reach 1,200 by 2041. The structure is 81 ft (24.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesCsah 13

CrossesSalem Creek

Location4.5 MI S of JCT TH 14

RouteCounty Highway 13

CountyDodge County

StateMinnesota

Coordinates43.96578, -92.73839

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	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionJune 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation6: Equal to 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 rating50.8 US tons

Inventory rating27.7 US tons

Structure

Structure typeTee Beam

MaterialPrestressed Concrete

DeckConcrete, precast panels

Main spans2

Design loadHS 20

Structure length81 ft (24.6 m)

Longest span40 ft (12.1 m)

Deck width48 ft (14.7 m)

Roadway width45 ft (13.6 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,446 (2021)

Projected traffic1,200 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$900 million (2023 estimate)

NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 13 over Salem Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Csah 13 over Salem Creek 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 June 2023.

How much traffic does Csah 13 over Salem Creek carry?

About 1,446 vehicles per day (2021 count).

How long is Csah 13 over Salem Creek?

The structure is 81 ft (24.6 m) long with a longest span of 40 ft (12.1 m) and a deck 48 ft wide.

Who owns Csah 13 over Salem Creek?

It is owned by the County Highway Agency.