US Bridges

Con 166 over UP RR

Good

Washington County, Minnesota · 0.09 M E of JCT TH95 · Structure no. 82047

Built
2016
9 years old
Condition
Good
inspected August 2023
Type
Segmental Box Girder
Prestressed Concrete Continuous
Length
961 ft
5 main spans
Daily traffic
2,685
2021 count
Owner
State
State Highway Agency

About this bridge

Con 166 over UP RR is a prestressed concrete continuous segmental box girder carrying Con 166 over UP RR in Washington County, Minnesota. It was built in 2016, so it is 9 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 2,685 vehicles a day, projected to reach 3,750 by 2041. The structure is 961 ft (292.9 m) long and 40 ft wide.

CarriesCon 166
CrossesUP RR
Location0.09 M E of JCT TH95
RouteState Highway 166
Coordinates45.03696, -92.79176
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating92.2 US tons
Inventory rating47.8 US tons

Structure

Structure typeSegmental Box Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans5
Design loadHL 93
Structure length961 ft (292.9 m)
Longest span232 ft (70.6 m)
Deck width40 ft (12.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,685 (2021)
Projected traffic3,750 by 2041
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Con 166 over UP RR built?

It was built in 2016, making it 9 years old in 2025.

What condition is Con 166 over UP RR 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 August 2023.

How much traffic does Con 166 over UP RR carry?

About 2,685 vehicles per day (2021 count).

How long is Con 166 over UP RR?

The structure is 961 ft (292.9 m) long with a longest span of 232 ft (70.6 m) and a deck 40 ft wide.

Who owns Con 166 over UP RR?

It is owned by the State Highway Agency.