US Bridges

Csah 24 over Stream

Fair

Dodge County, Minnesota · 0.1 MI W of JCT Csah 22 · Structure no. 20515

Built
1978
47 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
856
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Stream is a prestressed concrete tee beam carrying Csah 24 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 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 856 vehicles a day, projected to reach 950 by 2041. The structure is 68 ft (20.7 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 24
CrossesStream
Location0.1 MI W of JCT Csah 22
RouteCounty Highway 24
CountyDodge County
StateMinnesota
Coordinates44.14762, -92.83887
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41 US tons
Inventory rating24.5 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span65 ft (19.8 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic856 (2021)
Projected traffic950 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 24 over Stream built?

It was built in 1978, making it 47 years old in 2025.

What condition is Csah 24 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 September 2023.

How much traffic does Csah 24 over Stream carry?

About 856 vehicles per day (2021 count).

How long is Csah 24 over Stream?

The structure is 68 ft (20.7 m) long with a longest span of 65 ft (19.8 m) and a deck 48 ft wide.

Who owns Csah 24 over Stream?

It is owned by the County Highway Agency.