US Bridges

T 50 over Lost River

Good

Clearwater County, Minnesota · 2.0 MI W of JCT Csah 7 · Structure no. 15512

Built
1995
30 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete
Length
50 ft
1 main span
Daily traffic
10
1995 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 50 over Lost River is a concrete slab carrying T 50 over Lost River in Clearwater County, Minnesota. It was built in 1995, so it is 30 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 10 vehicles a day, projected to reach 10 by 2029. The structure is 50 ft (15.2 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesT 50
CrossesLost River
Location2.0 MI W of JCT Csah 7
RouteCounty Highway 50
Coordinates47.80412, -95.56181
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.2 US tons
Inventory rating46.2 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length50 ft (15.2 m)
Longest span47 ft (14.3 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (1995)
Projected traffic10 by 2029
Trucks—
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

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 50 over Lost River built?

It was built in 1995, making it 30 years old in 2025.

What condition is T 50 over Lost 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 October 2023.

How much traffic does T 50 over Lost River carry?

About 10 vehicles per day (1995 count).

How long is T 50 over Lost River?

The structure is 50 ft (15.2 m) long with a longest span of 47 ft (14.3 m) and a deck 31 ft wide.

Who owns T 50 over Lost River?

It is owned by the Town or Township Highway Agency.