US Bridges

Csah 83 over Otter Tail River

Good

Otter Tail County, Minnesota · 1.0 MI S JCT Csah 72 · Structure no. 56536

Built
2007
18 years old
Condition
Good
inspected October 2024
Type
Slab
Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
275
2015 count
Owner
County
County Highway Agency

About this bridge

Csah 83 over Otter Tail River is a concrete continuous slab carrying Csah 83 over Otter Tail River in Otter Tail County, Minnesota. It was built in 2007, so it is 18 years old, younger 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 275 vehicles a day, projected to reach 275 by 2039. The structure is 97 ft (29.5 m) long and 48 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCsah 83
CrossesOtter Tail River
Location1.0 MI S JCT Csah 72
RouteCounty Highway 83
Coordinates46.35463, -95.7592
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating37.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length97 ft (29.5 m)
Longest span36 ft (11.1 m)
Deck width48 ft (14.7 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic275 (2015)
Projected traffic275 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 83 over Otter Tail River built?

It was built in 2007, making it 18 years old in 2025.

What condition is Csah 83 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 83 over Otter Tail River carry?

About 275 vehicles per day (2015 count).

How long is Csah 83 over Otter Tail River?

The structure is 97 ft (29.5 m) long with a longest span of 36 ft (11.1 m) and a deck 48 ft wide.

Who owns Csah 83 over Otter Tail River?

It is owned by the County Highway Agency.