US Bridges

Msas 407 over Nine Mile Creek

Fair

Hennepin County, Minnesota · 0.5 MI W of JCT TH 35W · Structure no. 27552

Built
1968
57 years old
Condition
Fair
inspected August 2024
Type
Frame
Steel Continuous
Length
209 ft
3 main spans
Daily traffic
8,239
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 407 over Nine Mile Creek is a steel continuous frame carrying Msas 407 over Nine Mile Creek in Hennepin County, Minnesota. It was built in 1968, so it is 57 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 6 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 8,239 vehicles a day, projected to reach 10,600 by 2041. The structure is 209 ft (63.7 m) long and 55 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMsas 407
CrossesNine Mile Creek
Location0.5 MI W of JCT TH 35W
RouteCity Street 407
Coordinates44.81193, -93.30222
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating34.3 US tons

Structure

Structure typeFrame
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length209 ft (63.7 m)
Longest span110 ft (33.5 m)
Deck width55 ft (16.8 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,239 (2021)
Projected traffic10,600 by 2041
Trucks—
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$298 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 407 over Nine Mile Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Msas 407 over Nine Mile Creek 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 August 2024.

How much traffic does Msas 407 over Nine Mile Creek carry?

About 8,239 vehicles per day (2021 count).

How long is Msas 407 over Nine Mile Creek?

The structure is 209 ft (63.7 m) long with a longest span of 110 ft (33.5 m) and a deck 55 ft wide.

Who owns Msas 407 over Nine Mile Creek?

It is owned by the City or Municipal Highway Agency.