US Bridges

Csah 14 over Otter Tail River

Good

Otter Tail County, Minnesota · 2.8 MI E of JCT TH 108 · Structure no. 91962

Built
1986
39 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
53 ft
3 main spans
Daily traffic
940
2019 count
Owner
County
County Highway Agency

About this bridge

Csah 14 over Otter Tail River is a concrete culvert carrying Csah 14 over Otter Tail River in Otter Tail County, Minnesota. It was built in 1986, so it is 39 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 940 vehicles a day, projected to reach 1,000 by 2039. The structure is 53 ft (16.2 m) long. If it were closed, the detour would be 14.9 mi (24 km).

CarriesCsah 14
CrossesOtter Tail River
Location2.8 MI E of JCT TH 108
RouteCounty Highway 14
Coordinates46.51339, -95.51819
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic940 (2019)
Projected traffic1,000 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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$306 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 14 over Otter Tail River built?

It was built in 1986, making it 39 years old in 2025.

What condition is Csah 14 over Otter Tail River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2024.

How much traffic does Csah 14 over Otter Tail River carry?

About 940 vehicles per day (2019 count).

How long is Csah 14 over Otter Tail River?

The structure is 53 ft (16.2 m) long with a longest span of 13 ft (3.9 m).

Who owns Csah 14 over Otter Tail River?

It is owned by the County Highway Agency.