US Bridges

M 256 over Unnamed Stream

Good

Washington County, Minnesota · 0.1 MI W of Lake Elmo Ave · Structure no. 82J31

Built
2005
20 years old
Condition
Good
inspected September 2024
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
1
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 256 over Unnamed Stream is a steel culvert carrying M 256 over Unnamed Stream in Washington County, Minnesota. It was built in 2005, so it is 20 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 1 vehicles a day, projected to reach 1 by 2038. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 123 mi (198 km).

CarriesM 256
CrossesUnnamed Stream
Location0.1 MI W of Lake Elmo Ave
RouteCity Street 256
Coordinates45.03189, -92.88462
Functional classUrban Local

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 protection9 ExcellentNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36 US tons
Inventory rating27.9 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span25 ft (7.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1 (2018)
Projected traffic1 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was M 256 over Unnamed Stream built?

It was built in 2005, making it 20 years old in 2025.

What condition is M 256 over Unnamed Stream 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 September 2024.

How much traffic does M 256 over Unnamed Stream carry?

About 1 vehicles per day (2018 count).

How long is M 256 over Unnamed Stream?

The structure is 25 ft (7.7 m) long with a longest span of 25 ft (7.7 m).

Who owns M 256 over Unnamed Stream?

It is owned by the City or Municipal Highway Agency.