US Bridges

T 306 over Stream

Good

Todd County, Minnesota · 0.1 MI E of JCT Csah 23 · Structure no. 77J56

Built
2004
21 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
31 ft
2 main spans
Daily traffic
50
2003 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 Todd County, Minnesota. It was built in 2004, so it is 21 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 31 ft (9.6 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 306
CrossesStream
Location0.1 MI E of JCT Csah 23
RouteCounty Highway 306
Coordinates46.34713, -95.02632
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 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length31 ft (9.6 m)
Longest span15 ft (4.5 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2003)
Projected traffic50 by 2029
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

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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T 306 over Stream built?

It was built in 2004, making it 21 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 September 2023.

How much traffic does T 306 over Stream carry?

About 50 vehicles per day (2003 count).

How long is T 306 over Stream?

The structure is 31 ft (9.6 m) long with a longest span of 15 ft (4.5 m).

Who owns T 306 over Stream?

It is owned by the Town or Township Highway Agency.