US Bridges

Csah 39 over Kabekona River

Fair

Hubbard County, Minnesota · 0.8 MI N of JCT Csah 37 · Structure no. 29508

Built
1968
57 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
63 ft
3 main spans
Daily traffic
417
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 39 over Kabekona River is a prestressed concrete channel beam carrying Csah 39 over Kabekona River in Hubbard County, Minnesota. It was built in 1968, so it is 57 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 417 vehicles a day, projected to reach 435 by 2042. The structure is 63 ft (19.3 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCsah 39
CrossesKabekona River
Location0.8 MI N of JCT Csah 37
RouteCounty Highway 39
CountyHubbard County
StateMinnesota
Coordinates47.16756, -94.72609
Functional classRural Minor 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.7 US tons
Inventory rating38.1 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadH 20
Structure length63 ft (19.3 m)
Longest span25 ft (7.7 m)
Deck width31 ft (9.4 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic417 (2022)
Projected traffic435 by 2042
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 39 over Kabekona River built?

It was built in 1968, making it 57 years old in 2025.

What condition is Csah 39 over Kabekona River 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 39 over Kabekona River carry?

About 417 vehicles per day (2022 count).

How long is Csah 39 over Kabekona River?

The structure is 63 ft (19.3 m) long with a longest span of 25 ft (7.7 m) and a deck 31 ft wide.

Who owns Csah 39 over Kabekona River?

It is owned by the County Highway Agency.