US Bridges

FR2151 over Turtle River

Fair

Itasca County, Minnesota · 1.7 MI E of JCT TH 6 · Structure no. 090304000001033

Built
1954
71 years old, rebuilt 2014
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
47 ft
3 main spans
Daily traffic
19
1971 count
Owner
Federal
U.S. Forest Service

About this bridge

FR2151 over Turtle River is a wood or timber stringer/multi-beam or girder carrying FR2151 over Turtle River in Itasca County, Minnesota. It was built in 1954 and reconstructed in 2014, so it is 71 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.

It carries about 19 vehicles a day, projected to reach 28 by 2045. The structure is 47 ft (14.2 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesFR2151
CrossesTurtle River
Location1.7 MI E of JCT TH 6
RouteFederal Lands Road 2151
Coordinates47.56615, -93.73716
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating37.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 20
Structure length47 ft (14.2 m)
Longest span15 ft (4.6 m)
Deck width26 ft (8 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19 (1971)
Projected traffic28 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerU.S. Forest Service
Maintained byU.S. Forest Service
Historic statusHistorical significance not determinable at this time
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$23 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FR2151 over Turtle River built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2014.

What condition is FR2151 over Turtle 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 April 2023.

How much traffic does FR2151 over Turtle River carry?

About 19 vehicles per day (1971 count).

How long is FR2151 over Turtle River?

The structure is 47 ft (14.2 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns FR2151 over Turtle River?

It is owned by the U.S. Forest Service.