US Bridges

Unu 169 over US 169

Good

Nicollet County, Minnesota · 1.6 MI S of JCT TH 14 · Structure no. 52009

Built
1985
40 years old
Condition
Good
inspected August 2023
Type
Slab
Prestressed Concrete
Length
145 ft
2 main spans
Daily traffic
22,949
2022 count
Owner
State
State Highway Agency

About this bridge

Unu 169 over US 169 is a prestressed concrete slab carrying Unu 169 over US 169 in Nicollet County, Minnesota. It was built in 1985, so it is 40 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 22,949 vehicles a day, roughly 4% of them trucks, projected to reach 21,500 by 2042. The structure is 145 ft (44.1 m) long and 106 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUnu 169
CrossesUS 169
Location1.6 MI S of JCT TH 14
RouteU.S. Route 169
Coordinates44.16994, -94.00503
Functional classUrban Minor 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.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.4 US tons
Inventory rating32.8 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length145 ft (44.1 m)
Longest span74 ft (22.5 m)
Deck width106 ft (32.4 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,949 (2022)
Projected traffic21,500 by 2042
Trucks4%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Unu 169 over US 169 built?

It was built in 1985, making it 40 years old in 2025.

What condition is Unu 169 over US 169 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 Unu 169 over US 169 carry?

About 22,949 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is Unu 169 over US 169?

The structure is 145 ft (44.1 m) long with a longest span of 74 ft (22.5 m) and a deck 106 ft wide.

Who owns Unu 169 over US 169?

It is owned by the State Highway Agency.