US Bridges

T 122 over Stream

Good

Mower County, Minnesota · 0.3 MI S of JCT CO Line · Structure no. 50K85

Built
2024
1 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete
Length
52 ft
3 main spans
Daily traffic
49
2023 count
Owner
County
County Highway Agency

About this bridge

T 122 over Stream is a concrete culvert carrying T 122 over Stream in Mower County, Minnesota. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, projected to reach 49 by 2043. The structure is 52 ft (16 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 122
CrossesStream
Location0.3 MI S of JCT CO Line
RouteCounty Highway 122
Coordinates43.84431, -92.70967
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length52 ft (16 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2023)
Projected traffic49 by 2043
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 122 over Stream built?

It was built in 2024, making it 1 years old in 2025.

What condition is T 122 over Stream 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 2024.

How much traffic does T 122 over Stream carry?

About 49 vehicles per day (2023 count).

How long is T 122 over Stream?

The structure is 52 ft (16 m) long with a longest span of 16 ft (4.9 m).

Who owns T 122 over Stream?

It is owned by the County Highway Agency.