US Bridges

Msas 128 over Purgatory Creek

Fair

Hennepin County, Minnesota · 0.4 MI W of Prairie Cen · Structure no. R0144

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
2,900
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 128 over Purgatory Creek is a concrete culvert carrying Msas 128 over Purgatory Creek in Hennepin County, Minnesota. It was built in 1986, so it is 39 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 2,900 vehicles a day, projected to reach 11,500 by 2040. The structure is 24 ft (7.2 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMsas 128
CrossesPurgatory Creek
Location0.4 MI W of Prairie Cen
RouteCity Street 128
Coordinates44.85936, -93.44501
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.7 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.2 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,900 (2020)
Projected traffic11,500 by 2040
Trucks—
Lanes on structure4
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 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 128 over Purgatory Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Msas 128 over Purgatory 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 128 over Purgatory Creek carry?

About 2,900 vehicles per day (2020 count).

How long is Msas 128 over Purgatory Creek?

The structure is 24 ft (7.2 m) long with a longest span of 11 ft (3.4 m).

Who owns Msas 128 over Purgatory Creek?

It is owned by the City or Municipal Highway Agency.