US Bridges

Mn 99 over Washington Ave

Good

Nicollet County, Minnesota · 0.5 MI W of JCT TH 169 · Structure no. 52013

Built
2001
24 years old
Condition
Good
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
128 ft
1 main span
Daily traffic
3,550
2019 count
Owner
State
State Highway Agency

About this bridge

Mn 99 over Washington Ave is a prestressed concrete stringer/multi-beam or girder carrying Mn 99 over Washington Ave in Nicollet County, Minnesota. It was built in 2001, so it is 24 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 3,550 vehicles a day, roughly 6% of them trucks, projected to reach 3,300 by 2039. The structure is 128 ft (39 m) long and 58 ft wide.

CarriesMn 99
CrossesWashington Ave
Location0.5 MI W of JCT TH 169
RouteState Highway 99
Coordinates44.31156, -93.97262
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 inspectionJuly 2024
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 alignment8: Equal to present desirable criteria
Operating rating84.2 US tons
Inventory rating46.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length128 ft (39 m)
Longest span122 ft (37.2 m)
Deck width58 ft (17.8 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,550 (2019)
Projected traffic3,300 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 Mn 99 over Washington Ave built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mn 99 over Washington Ave 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 July 2024.

How much traffic does Mn 99 over Washington Ave carry?

About 3,550 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is Mn 99 over Washington Ave?

The structure is 128 ft (39 m) long with a longest span of 122 ft (37.2 m) and a deck 58 ft wide.

Who owns Mn 99 over Washington Ave?

It is owned by the State Highway Agency.