US Bridges

M 51 over Spring Creek

GoodPosted for load

Goodhue County, Minnesota · 0.5 MI E of JCT TH 19 · Structure no. 25525

Built
1978
47 years old
Condition
Good
inspected October 2024
Type
Tee Beam
Prestressed Concrete
Length
74 ft
1 main span
Daily traffic
271
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

M 51 over Spring Creek is a prestressed concrete tee beam carrying M 51 over Spring Creek in Goodhue County, Minnesota. It was built in 1978, so it is 47 years old, older 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. Its operating status is: posted for load restriction.

It carries about 271 vehicles a day, roughly 2% of them trucks, projected to reach 300 by 2042. The structure is 74 ft (22.5 m) long and 48 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesM 51
CrossesSpring Creek
Location0.5 MI E of JCT TH 19
RouteCity Street 51
Coordinates44.5574, -92.63269
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating34.6 US tons
Inventory rating20.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length74 ft (22.5 m)
Longest span73 ft (22.1 m)
Deck width48 ft (14.6 m)
Roadway width45 ft (13.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic271 (2022)
Projected traffic300 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 51 over Spring Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is M 51 over Spring 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 M 51 over Spring Creek carry?

About 271 vehicles per day (2022 count), of which roughly 2% are trucks.

How long is M 51 over Spring Creek?

The structure is 74 ft (22.5 m) long with a longest span of 73 ft (22.1 m) and a deck 48 ft wide.

Who owns M 51 over Spring Creek?

It is owned by the City or Municipal Highway Agency.