US Bridges

M 1801 over I 35W

Fair

Hennepin County, Minnesota · 2.3 MI SW of JCT TH 280 · Structure no. 27994

Built
1969
56 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
451 ft
4 main spans
Daily traffic
7,600
2017 count
Owner
State
State Highway Agency

About this bridge

M 1801 over I 35W is a steel continuous stringer/multi-beam or girder carrying M 1801 over I 35W in Hennepin County, Minnesota. It was built in 1969, so it is 56 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 7,600 vehicles a day, projected to reach 7,600 by 2039. The structure is 451 ft (137.6 m) long and 41 ft wide.

Location

Open in Google Maps
CarriesM 1801
CrossesI 35W
Location2.3 MI SW of JCT TH 280
RouteCity Street 1801
CountyHennepin County
StateMinnesota
Coordinates44.9925, -93.2372
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.9 US tons
Inventory rating40.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length451 ft (137.6 m)
Longest span136 ft (41.5 m)
Deck width41 ft (12.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2017)
Projected traffic7,600 by 2039
Trucks—
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 M 1801 over I 35W built?

It was built in 1969, making it 56 years old in 2025.

What condition is M 1801 over I 35W in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does M 1801 over I 35W carry?

About 7,600 vehicles per day (2017 count).

How long is M 1801 over I 35W?

The structure is 451 ft (137.6 m) long with a longest span of 136 ft (41.5 m) and a deck 41 ft wide.

Who owns M 1801 over I 35W?

It is owned by the State Highway Agency.