US Bridges

T 85 over Stream

Good

Rock County, Minnesota · 1.5 MI S of Csah 10 · Structure no. 95091

Built
1980
45 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
43 ft
3 main spans
Daily traffic
62
1990 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 85 over Stream is a concrete culvert carrying T 85 over Stream in Rock County, Minnesota. It was built in 1980, so it is 45 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 62 vehicles a day, projected to reach 62 by 2029. The structure is 43 ft (13.1 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 85
CrossesStream
Location1.5 MI S of Csah 10
RouteCounty Highway 85
Coordinates43.81188, -96.09282
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 inspectionOctober 2021
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 rating59.4 US tons
Inventory rating39.6 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length43 ft (13.1 m)
Longest span9 ft (2.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic62 (1990)
Projected traffic62 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was T 85 over Stream built?

It was built in 1980, making it 45 years old in 2025.

What condition is T 85 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 October 2021.

How much traffic does T 85 over Stream carry?

About 62 vehicles per day (1990 count).

How long is T 85 over Stream?

The structure is 43 ft (13.1 m) long with a longest span of 9 ft (2.6 m).

Who owns T 85 over Stream?

It is owned by the Town or Township Highway Agency.