US Bridges

T 614 over Big Sandy Lake

Good

Aitkin County, Minnesota · 1.2 MI E of JCT Mn 65 · Structure no. 01525

Built
2006
19 years old
Condition
Good
inspected October 2024
Type
Slab
Wood or Timber
Length
69 ft
3 main spans
Daily traffic
196
2005 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 614 over Big Sandy Lake is a wood or timber slab carrying T 614 over Big Sandy Lake in Aitkin 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 196 vehicles a day, projected to reach 196 by 2029. The structure is 69 ft (21 m) long and 39 ft wide. If it were closed, the detour would be 123 mi (198 km).

CarriesT 614
CrossesBig Sandy Lake
Location1.2 MI E of JCT Mn 65
RouteCounty Highway 614
Coordinates46.75048, -93.29839
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating70.9 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadHS 25 or greater
Structure length69 ft (21 m)
Longest span33 ft (10 m)
Deck width39 ft (12 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic196 (2005)
Projected traffic196 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 T 614 over Big Sandy Lake built?

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

What condition is T 614 over Big Sandy Lake 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 October 2024.

How much traffic does T 614 over Big Sandy Lake carry?

About 196 vehicles per day (2005 count).

How long is T 614 over Big Sandy Lake?

The structure is 69 ft (21 m) long with a longest span of 33 ft (10 m) and a deck 39 ft wide.

Who owns T 614 over Big Sandy Lake?

It is owned by the Town or Township Highway Agency.