US Bridges

M 555 over Maple Creek

Fair

Steele County, Minnesota · In Darts Park · Structure no. R0270

Built
1989
36 years old
Condition
Fair
inspected May 2024
Type
Truss - Thru
Steel
Length
51 ft
1 main span
Daily traffic
50
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 555 over Maple Creek is a steel truss - thru carrying M 555 over Maple Creek in Steele County, Minnesota. It was built in 1989, so it is 36 years old, younger 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 5 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 50 vehicles a day, projected to reach 50 by 2029. The structure is 51 ft (15.5 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesM 555
CrossesMaple Creek
LocationIn Darts Park
RouteCity Street 555
CountySteele County
StateMinnesota
Coordinates44.0904, -93.21652
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span50 ft (15.1 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (1990)
Projected traffic50 by 2029
Trucks—
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 M 555 over Maple Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is M 555 over Maple 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 May 2024.

How much traffic does M 555 over Maple Creek carry?

About 50 vehicles per day (1990 count).

How long is M 555 over Maple Creek?

The structure is 51 ft (15.5 m) long with a longest span of 50 ft (15.1 m) and a deck 16 ft wide.

Who owns M 555 over Maple Creek?

It is owned by the City or Municipal Highway Agency.