US Bridges

T 306 over Stream

Good

Goodhue County, Minnesota · 3.5 MI W of JCT Csah 10 · Structure no. 25J28

Built
2002
23 years old
Condition
Good
inspected November 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
74
2001 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 306 over Stream is a concrete culvert carrying T 306 over Stream in Goodhue County, Minnesota. It was built in 2002, so it is 23 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 74 vehicles a day, projected to reach 74 by 2029. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 306
CrossesStream
Location3.5 MI W of JCT Csah 10
RouteCounty Highway 306
Coordinates44.28292, -92.7507
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.6 US tons
Inventory rating45 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length29 ft (8.8 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic74 (2001)
Projected traffic74 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 306 over Stream built?

It was built in 2002, making it 23 years old in 2025.

What condition is T 306 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 November 2023.

How much traffic does T 306 over Stream carry?

About 74 vehicles per day (2001 count).

How long is T 306 over Stream?

The structure is 29 ft (8.8 m) long with a longest span of 13 ft (3.9 m).

Who owns T 306 over Stream?

It is owned by the Town or Township Highway Agency.