US Bridges

T 330 over Stream

Good

Mower County, Minnesota · 1.2 MI W of JCT Csah 7 · Structure no. 95008

Built
1983
42 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
46 ft
3 main spans
Daily traffic
40
1986 count
Owner
County
County Highway Agency

About this bridge

T 330 over Stream is a concrete culvert carrying T 330 over Stream in Mower County, Minnesota. It was built in 1983, so it is 42 years old, older 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 40 vehicles a day, projected to reach 40 by 2029. The structure is 46 ft (13.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 330
CrossesStream
Location1.2 MI W of JCT Csah 7
RouteCounty Highway 330
Coordinates43.81947, -92.75458
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length46 ft (13.9 m)
Longest span12 ft (3.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (1986)
Projected traffic40 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

OwnerCounty Highway Agency
Maintained byCounty 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 330 over Stream built?

It was built in 1983, making it 42 years old in 2025.

What condition is T 330 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 330 over Stream carry?

About 40 vehicles per day (1986 count).

How long is T 330 over Stream?

The structure is 46 ft (13.9 m) long with a longest span of 12 ft (3.8 m).

Who owns T 330 over Stream?

It is owned by the County Highway Agency.