US Bridges

Csah 5 over Otter Tail River

FairPosted for load

Wilkin County, Minnesota · 0.2 MI N of JCT TH210 · Structure no. 84504

Built
1966
59 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
140 ft
3 main spans
Daily traffic
1,042
2022 count
Owner
County
County Highway Agency

About this bridge

Csah 5 over Otter Tail River is a steel continuous stringer/multi-beam or girder carrying Csah 5 over Otter Tail River in Wilkin County, Minnesota. It was built in 1966, so it is 59 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. Its operating status is: posted for load restriction.

It carries about 1,042 vehicles a day, projected to reach 1,200 by 2042. The structure is 140 ft (42.7 m) long and 50 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesCsah 5
CrossesOtter Tail River
Location0.2 MI N of JCT TH210
RouteCounty Highway 5
Coordinates46.26712, -96.58977
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
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.4 US tons
Inventory rating25 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length140 ft (42.7 m)
Longest span52 ft (15.9 m)
Deck width50 ft (15.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,042 (2022)
Projected traffic1,200 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 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 5 over Otter Tail River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Csah 5 over Otter Tail 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 November 2023.

How much traffic does Csah 5 over Otter Tail River carry?

About 1,042 vehicles per day (2022 count).

How long is Csah 5 over Otter Tail River?

The structure is 140 ft (42.7 m) long with a longest span of 52 ft (15.9 m) and a deck 50 ft wide.

Who owns Csah 5 over Otter Tail River?

It is owned by the County Highway Agency.