US Bridges

Service Road over Rice Lake Ditch

Good

Aitkin County, Minnesota · Sec 25 T47N R24W · Structure no. 000032540-00100

Built
1979
46 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete
Length
21 ft
3 main spans
Daily traffic
10
2023 count
Owner
Federal
Bureau of Fish and Wildlife

About this bridge

Service Road over Rice Lake Ditch is a concrete culvert carrying Service Road over Rice Lake Ditch in Aitkin County, Minnesota. It was built in 1979, so it is 46 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 10 vehicles a day, projected to reach 15 by 2043. The structure is 21 ft (6.4 m) long and 40 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

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CarriesService Road
CrossesRice Lake Ditch
LocationSec 25 T47N R24W
RouteFederal Lands Road 0
CountyAitkin County
StateMinnesota
Coordinates46.53233, -93.32033
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating33 US tons
Inventory rating20 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span7 ft (2.1 m)
Deck width40 ft (12.2 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deck107 ft (32.7 m)

Traffic and service

Average daily traffic10 (2023)
Projected traffic15 by 2043
Trucks0%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Fish and Wildlife
Maintained byBureau of Fish and Wildlife
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 Service Road over Rice Lake Ditch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Service Road over Rice Lake Ditch 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 August 2023.

How much traffic does Service Road over Rice Lake Ditch carry?

About 10 vehicles per day (2023 count).

How long is Service Road over Rice Lake Ditch?

The structure is 21 ft (6.4 m) long with a longest span of 7 ft (2.1 m) and a deck 40 ft wide.

Who owns Service Road over Rice Lake Ditch?

It is owned by the Bureau of Fish and Wildlife.