US Bridges

T 300 over Trib S Branch Root River

Good

Fillmore County, Minnesota · 0.8 MI S of JCT Csah 12 · Structure no. 23K28

Built
2014
11 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
49
2014 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 300 over Trib S Branch Root River is a concrete culvert carrying T 300 over Trib S Branch Root River in Fillmore County, Minnesota. It was built in 2014, so it is 11 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 49 vehicles a day, projected to reach 49 by 2034. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesT 300
CrossesTrib S Branch Root River
Location0.8 MI S of JCT Csah 12
RouteCounty Highway 300
Coordinates43.6452, -92.15611
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 inspectionApril 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior 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 spans2
Design loadHL 93
Structure length30 ft (9.1 m)
Longest span14 ft (4.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2014)
Projected traffic49 by 2034
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 300 over Trib S Branch Root River built?

It was built in 2014, making it 11 years old in 2025.

What condition is T 300 over Trib S Branch Root 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 April 2024.

How much traffic does T 300 over Trib S Branch Root River carry?

About 49 vehicles per day (2014 count).

How long is T 300 over Trib S Branch Root River?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.2 m).

Who owns T 300 over Trib S Branch Root River?

It is owned by the Town or Township Highway Agency.