US Bridges

T 171 over Jud Ditch # 1A

Good

Nicollet County, Minnesota · 0.5 MI N of JCT 370th. ST · Structure no. 52512

Built
1997
28 years old
Condition
Good
inspected November 2024
Type
Slab
Concrete Continuous
Length
93 ft
3 main spans
Daily traffic
7
1971 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

T 171 over Jud Ditch # 1A is a concrete continuous slab carrying T 171 over Jud Ditch # 1A in Nicollet County, Minnesota. It was built in 1997, so it is 28 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 7 vehicles a day, projected to reach 7 by 2029. The structure is 93 ft (28.4 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesT 171
CrossesJud Ditch # 1A
Location0.5 MI N of JCT 370th. ST
RouteCounty Highway 171
Coordinates44.41984, -94.21048
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87.5 US tons
Inventory rating52.4 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length93 ft (28.4 m)
Longest span35 ft (10.6 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7 (1971)
Projected traffic7 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 171 over Jud Ditch # 1A built?

It was built in 1997, making it 28 years old in 2025.

What condition is T 171 over Jud Ditch # 1A 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 November 2024.

How much traffic does T 171 over Jud Ditch # 1A carry?

About 7 vehicles per day (1971 count).

How long is T 171 over Jud Ditch # 1A?

The structure is 93 ft (28.4 m) long with a longest span of 35 ft (10.6 m) and a deck 31 ft wide.

Who owns T 171 over Jud Ditch # 1A?

It is owned by the Town or Township Highway Agency.