US Bridges

Msas 150 over Minnehaha Creek

FairPosted for load

Hennepin County, Minnesota · 0.5 MI E of JCT TH 100 · Structure no. 90646

Built
1936
89 years old
Condition
Fair
inspected October 2024
Type
Culvert
Steel
Length
21 ft
1 main span
Daily traffic
6,706
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 150 over Minnehaha Creek is a steel culvert carrying Msas 150 over Minnehaha Creek in Hennepin County, Minnesota. It was built in 1936, so it is 89 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. Its operating status is: posted for load restriction.

It carries about 6,706 vehicles a day, projected to reach 6,100 by 2042. The structure is 21 ft (6.4 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMsas 150
CrossesMinnehaha Creek
Location0.5 MI E of JCT TH 100
RouteCity Street 150
Coordinates44.91178, -93.33926
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating24.1 US tons
Inventory rating18.4 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length21 ft (6.4 m)
Longest span18 ft (5.5 m)
Deck width40 ft (12.3 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,706 (2022)
Projected traffic6,100 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$250 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 150 over Minnehaha Creek built?

It was built in 1936, making it 89 years old in 2025.

What condition is Msas 150 over Minnehaha 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 October 2024.

How much traffic does Msas 150 over Minnehaha Creek carry?

About 6,706 vehicles per day (2022 count).

How long is Msas 150 over Minnehaha Creek?

The structure is 21 ft (6.4 m) long with a longest span of 18 ft (5.5 m) and a deck 40 ft wide.

Who owns Msas 150 over Minnehaha Creek?

It is owned by the City or Municipal Highway Agency.