US Bridges

Csah 24 over Stream

FairPosted for load

Dodge County, Minnesota · 2.0 MI W of JCT TH 57 · Structure no. 3659

Built
1921
104 years old
Condition
Fair
inspected September 2024
Type
Slab
Concrete
Length
20 ft
1 main span
Daily traffic
856
2021 count
Owner
County
County Highway Agency

About this bridge

Csah 24 over Stream is a concrete slab carrying Csah 24 over Stream in Dodge County, Minnesota. It was built in 1921, so it is 104 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. Its operating status is: posted for load restriction.

It carries about 856 vehicles a day, projected to reach 950 by 2041. The structure is 20 ft (6.2 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 24
CrossesStream
Location2.0 MI W of JCT TH 57
RouteCounty Highway 24
CountyDodge County
StateMinnesota
Coordinates44.16726, -92.81625
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionSeptember 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating22.5 US tons
Inventory rating13.4 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length20 ft (6.2 m)
Longest span18 ft (5.5 m)
Deck width40 ft (12.3 m)
Roadway width37 ft (11.4 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$370 million (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 24 over Stream built?

It was built in 1921, making it 104 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 2024.

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 20 ft (6.2 m) long with a longest span of 18 ft (5.5 m) and a deck 40 ft wide.

Who owns Csah 24 over Stream?

It is owned by the County Highway Agency.