US Bridges

Mn 29 over Bluff Creek

Fair

Otter Tail County, Minnesota · 4.9 MI W of Wadena · Structure no. 96719

Built
1990
35 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
3,015
2021 count
Owner
State
State Highway Agency

About this bridge

Mn 29 over Bluff Creek is a concrete culvert carrying Mn 29 over Bluff Creek in Otter Tail County, Minnesota. It was built in 1990, so it is 35 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 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 3,015 vehicles a day, roughly 9% of them trucks, projected to reach 3,050 by 2041. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesMn 29
CrossesBluff Creek
Location4.9 MI W of Wadena
RouteState Highway 29
CountyOtter Tail County
StateMinnesota
Coordinates46.42778, -95.23623
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length22 ft (6.6 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,015 (2021)
Projected traffic3,050 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Mn 29 over Bluff Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Mn 29 over Bluff Creek 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 2023.

How much traffic does Mn 29 over Bluff Creek carry?

About 3,015 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Mn 29 over Bluff Creek?

The structure is 22 ft (6.6 m) long with a longest span of 8 ft (2.4 m).

Who owns Mn 29 over Bluff Creek?

It is owned by the State Highway Agency.