US Bridges

Csah 14 over Clearwater River

Fair

Clearwater County, Minnesota · 0.5 MI N of JCT Csah 4 · Structure no. 15503

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Prestressed Concrete
Length
65 ft
3 main spans
Daily traffic
130
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 14 over Clearwater River is a prestressed concrete channel beam carrying Csah 14 over Clearwater River in Clearwater County, Minnesota. It was built in 1962, so it is 63 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 130 vehicles a day, projected to reach 135 by 2039. The structure is 65 ft (19.7 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCsah 14
CrossesClearwater River
Location0.5 MI N of JCT Csah 4
RouteCounty Highway 14
CountyClearwater County
StateMinnesota
Coordinates47.73958, -95.25867
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length65 ft (19.7 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.6 m)
Roadway width30 ft (9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2019)
Projected traffic135 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Clearwater River built?

It was built in 1962, making it 63 years old in 2025.

What condition is Csah 14 over Clearwater 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 2024.

How much traffic does Csah 14 over Clearwater River carry?

About 130 vehicles per day (2019 count).

How long is Csah 14 over Clearwater River?

The structure is 65 ft (19.7 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns Csah 14 over Clearwater River?

It is owned by the County Highway Agency.