US Bridges

Csah 17 over E Fk Blue Earth River

Fair

Faribault County, Minnesota · 3.6 MI N of Frost · Structure no. 6875

Built
1955
70 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
68 ft
1 main span
Daily traffic
850
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 17 over E Fk Blue Earth River is a steel stringer/multi-beam or girder carrying Csah 17 over E Fk Blue Earth River in Faribault County, Minnesota. It was built in 1955, so it is 70 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 850 vehicles a day, roughly 21% of them trucks, projected to reach 910 by 2042. The structure is 68 ft (20.7 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCsah 17
CrossesE Fk Blue Earth River
Location3.6 MI N of Frost
RouteCounty Highway 17
Coordinates43.63927, -93.92776
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length68 ft (20.7 m)
Longest span58 ft (17.7 m)
Deck width34 ft (10.5 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2022)
Projected traffic910 by 2042
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$255 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 17 over E Fk Blue Earth River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Csah 17 over E Fk Blue Earth 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 October 2023.

How much traffic does Csah 17 over E Fk Blue Earth River carry?

About 850 vehicles per day (2022 count), of which roughly 21% are trucks.

How long is Csah 17 over E Fk Blue Earth River?

The structure is 68 ft (20.7 m) long with a longest span of 58 ft (17.7 m) and a deck 34 ft wide.

Who owns Csah 17 over E Fk Blue Earth River?

It is owned by the County Highway Agency.