US Bridges

T 47 over 585th Ave (twp 47)

Fair

Mower County, Minnesota · 0.9 MI N of JCT Csah 6 · Structure no. 50J77

Built
2004
21 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
49 ft
3 main spans
Daily traffic
30
2004 count
Owner
County
County Highway Agency

About this bridge

T 47 over 585th Ave (twp 47) is a concrete culvert carrying T 47 over 585th Ave (twp 47) in Mower 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 30 vehicles a day, projected to reach 30 by 2029. The structure is 49 ft (14.9 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesT 47
Crosses585th Ave (twp 47)
Location0.9 MI N of JCT Csah 6
RouteCounty Highway 47
Coordinates43.52819, -92.88001
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 25 or greater
Structure length49 ft (14.9 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 traffic30 (2004)
Projected traffic30 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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was T 47 over 585th Ave (twp 47) built?

It was built in 2004, making it 21 years old in 2025.

What condition is T 47 over 585th Ave (twp 47) in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does T 47 over 585th Ave (twp 47) carry?

About 30 vehicles per day (2004 count).

How long is T 47 over 585th Ave (twp 47)?

The structure is 49 ft (14.9 m) long with a longest span of 14 ft (4.2 m).

Who owns T 47 over 585th Ave (twp 47)?

It is owned by the County Highway Agency.