US Bridges

T 641 over Poplar River

Good

Polk County, Minnesota · 0.4 MI E of JCT TH 59 · Structure no. 60J29

Built
1999
26 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
47 ft
3 main spans
Daily traffic
12
1999 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 641 over Poplar River is a concrete culvert carrying T 641 over Poplar River in Polk County, Minnesota. It was built in 1999, so it is 26 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 12 vehicles a day, projected to reach 12 by 2029. The structure is 47 ft (14.4 m) long.

CarriesT 641
CrossesPoplar River
Location0.4 MI E of JCT TH 59
RouteCounty Highway 641
Coordinates47.71731, -95.99169
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum 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 length47 ft (14.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (1999)
Projected traffic12 by 2029
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 641 over Poplar River built?

It was built in 1999, making it 26 years old in 2025.

What condition is T 641 over Poplar River 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 2024.

How much traffic does T 641 over Poplar River carry?

About 12 vehicles per day (1999 count).

How long is T 641 over Poplar River?

The structure is 47 ft (14.4 m) long with a longest span of 12 ft (3.7 m).

Who owns T 641 over Poplar River?

It is owned by the Town or Township Highway Agency.