US Bridges

Msas 171 over Plymouth Creek

Good

Hennepin County, Minnesota · 1.0 MI N of JCT TH 55 · Structure no. 27J05

Built
1996
29 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
32 ft
1 main span
Daily traffic
3,350
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Msas 171 over Plymouth Creek is a concrete culvert carrying Msas 171 over Plymouth Creek in Hennepin County, Minnesota. It was built in 1996, so it is 29 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,350 vehicles a day, projected to reach 3,350 by 2039. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMsas 171
CrossesPlymouth Creek
Location1.0 MI N of JCT TH 55
RouteCity Street 171
Coordinates45.00243, -93.43124
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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating54 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length32 ft (9.8 m)
Longest span32 ft (9.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,350 (2017)
Projected traffic3,350 by 2039
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$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Msas 171 over Plymouth Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is Msas 171 over Plymouth 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 171 over Plymouth Creek carry?

About 3,350 vehicles per day (2017 count).

How long is Msas 171 over Plymouth Creek?

The structure is 32 ft (9.8 m) long with a longest span of 32 ft (9.8 m).

Who owns Msas 171 over Plymouth Creek?

It is owned by the City or Municipal Highway Agency.