US Bridges

Msas 121 over Shingle Creek

Good

Hennepin County, Minnesota · 0.15 MI W of Shingle Pkw · Structure no. 27581

Built
1974
51 years old
Condition
Good
inspected November 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
86 ft
1 main span
Daily traffic
3,850
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 121 over Shingle Creek is a prestressed concrete box beam or girders - multiple carrying Msas 121 over Shingle Creek in Hennepin County, Minnesota. It was built in 1974, so it is 51 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 3,850 vehicles a day, projected to reach 3,800 by 2039. The structure is 86 ft (26.2 m) long and 59 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMsas 121
CrossesShingle Creek
Location0.15 MI W of Shingle Pkw
RouteCity Street 121
Coordinates45.07311, -93.30889
Functional classUrban Collector

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.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span84 ft (25.5 m)
Deck width59 ft (17.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,850 (2019)
Projected traffic3,800 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 121 over Shingle Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Msas 121 over Shingle Creek 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 November 2023.

How much traffic does Msas 121 over Shingle Creek carry?

About 3,850 vehicles per day (2019 count).

How long is Msas 121 over Shingle Creek?

The structure is 86 ft (26.2 m) long with a longest span of 84 ft (25.5 m) and a deck 59 ft wide.

Who owns Msas 121 over Shingle Creek?

It is owned by the City or Municipal Highway Agency.