US Bridges

Csah 13 over Stream

Fair

Dodge County, Minnesota · 1.5 MI N of JCT Csah 6 · Structure no. 20505

Built
1978
47 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 Stream is a prestressed concrete tee beam carrying Csah 13 over Stream in Dodge County, Minnesota. It was built in 1978, so it is 47 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 5 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 3.7 mi (6 km).

CarriesCsah 13
CrossesStream
Location1.5 MI N of JCT Csah 6
RouteCounty Highway 13
Coordinates43.98779, -92.73842
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.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating33.3 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 closed3.7 mi (6 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 1978, making it 47 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 June 2023.

How much traffic does Csah 13 over Stream carry?

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

How long is Csah 13 over Stream?

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 Stream?

It is owned by the County Highway Agency.