US Bridges

Csah 14 over Minnesota River

Fair

Brown County, Minnesota · At N CO Line · Structure no. 08527

Built
1987
38 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
599 ft
8 main spans
Daily traffic
1,850
2011 count
Owner
County
County Highway Agency

About this bridge

Csah 14 over Minnesota River is a steel continuous stringer/multi-beam or girder carrying Csah 14 over Minnesota River in Brown County, Minnesota. It was built in 1987, so it is 38 years old, younger 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 1,850 vehicles a day, projected to reach 1,850 by 2039. The structure is 599 ft (182.5 m) long and 43 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesCsah 14
CrossesMinnesota River
LocationAt N CO Line
RouteCounty Highway 14
Coordinates44.36161, -94.49815
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.4 US tons
Inventory rating29.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length599 ft (182.5 m)
Longest span145 ft (44.2 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,850 (2011)
Projected traffic1,850 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 14 over Minnesota River built?

It was built in 1987, making it 38 years old in 2025.

What condition is Csah 14 over Minnesota 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 2024.

How much traffic does Csah 14 over Minnesota River carry?

About 1,850 vehicles per day (2011 count).

How long is Csah 14 over Minnesota River?

The structure is 599 ft (182.5 m) long with a longest span of 145 ft (44.2 m) and a deck 43 ft wide.

Who owns Csah 14 over Minnesota River?

It is owned by the County Highway Agency.