US Bridges

FR2171 over Castle Creek

Good

Itasca County, Minnesota · 0.6 MI SW of JCT Csah 33 · Structure no. 090302000001032

Built
1971
54 years old, rebuilt 2018
Condition
Good
inspected November 2023
Type
Slab
Wood or Timber
Length
36 ft
1 main span
Daily traffic
15
1983 count
Owner
Federal
U.S. Forest Service

About this bridge

FR2171 over Castle Creek is a wood or timber slab carrying FR2171 over Castle Creek in Itasca County, Minnesota. It was built in 1971 and reconstructed in 2018, so it is 54 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 15 vehicles a day, projected to reach 22 by 2045. The structure is 36 ft (11 m) long and 30 ft wide. If it were closed, the detour would be 25.5 mi (41 km).

Location

Open in Google Maps
CarriesFR2171
CrossesCastle Creek
Location0.6 MI SW of JCT Csah 33
RouteFederal Lands Road 2171
CountyItasca County
StateMinnesota
Coordinates47.55006, -94.31481
Functional classRural Local

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.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.4 US tons
Inventory rating23.6 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15 (1983)
Projected traffic22 by 2045
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed25.5 mi (41 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$6.3 million
NavigationNo navigation control on waterway

Frequently asked questions

When was FR2171 over Castle Creek built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2018.

What condition is FR2171 over Castle Creek 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 November 2023.

How much traffic does FR2171 over Castle Creek carry?

About 15 vehicles per day (1983 count).

How long is FR2171 over Castle Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 30 ft wide.

Who owns FR2171 over Castle Creek?

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