US Bridges

Msas 117 over Purgatory Creek

Good

Hennepin County, Minnesota · 0.3 MI N of JCT Csah 1 · Structure no. 94195

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
24 ft
2 main spans
Daily traffic
2,500
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 117 over Purgatory Creek is a concrete culvert carrying Msas 117 over Purgatory Creek in Hennepin County, Minnesota. It was built in 1987, so it is 38 years old, younger 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 2,500 vehicles a day, projected to reach 4,000 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 117
CrossesPurgatory Creek
Location0.3 MI N of JCT Csah 1
RouteCity Street 117
Coordinates44.83345, -93.4301
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.8 US tons
Inventory rating43.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length24 ft (7.2 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2020)
Projected traffic4,000 by 2040
Trucks—
Lanes on structure2
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 117 over Purgatory Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Msas 117 over Purgatory 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 October 2024.

How much traffic does Msas 117 over Purgatory Creek carry?

About 2,500 vehicles per day (2020 count).

How long is Msas 117 over Purgatory Creek?

The structure is 24 ft (7.2 m) long with a longest span of 10 ft (3 m).

Who owns Msas 117 over Purgatory Creek?

It is owned by the City or Municipal Highway Agency.