US Bridges

IRR BIA RTE 18 over Wild Rice Lake River

Good

Clearwater County, Minnesota · Lower Rice Lake Dam · Structure no. 00000000000F217

Built
2006
19 years old
Condition
Good
inspected September 2023
Type
Slab
Concrete Continuous
Length
72 ft
3 main spans
Daily traffic
30
2023 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 18 over Wild Rice Lake River is a concrete continuous slab carrying IRR BIA RTE 18 over Wild Rice Lake River in Clearwater County, Minnesota. It was built in 2006, so it is 19 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 30 vehicles a day, roughly 5% of them trucks, projected to reach 60 by 2043. The structure is 72 ft (21.8 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIRR BIA RTE 18
CrossesWild Rice Lake River
LocationLower Rice Lake Dam
RouteFederal Lands Road 18
Coordinates47.38169, -95.49353
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.1 US tons
Inventory rating53.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length72 ft (21.8 m)
Longest span28 ft (8.4 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic60 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 18 over Wild Rice Lake River built?

It was built in 2006, making it 19 years old in 2025.

What condition is IRR BIA RTE 18 over Wild Rice Lake 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 September 2023.

How much traffic does IRR BIA RTE 18 over Wild Rice Lake River carry?

About 30 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is IRR BIA RTE 18 over Wild Rice Lake River?

The structure is 72 ft (21.8 m) long with a longest span of 28 ft (8.4 m) and a deck 27 ft wide.

Who owns IRR BIA RTE 18 over Wild Rice Lake River?

It is owned by the Bureau of Indian Affairs.