US Bridges

Mn 247 over Silver Spring Creek

Poor

Olmsted County, Minnesota · 2.7 MI E of JCT TH 63 · Structure no. 6934

Built
1938
87 years old
Condition
Poor
inspected June 2024
Type
Culvert
Concrete
Length
27 ft
2 main spans
Daily traffic
3,100
2016 count
Owner
State
State Highway Agency

About this bridge

Mn 247 over Silver Spring Creek is a concrete culvert carrying Mn 247 over Silver Spring Creek in Olmsted County, Minnesota. It was built in 1938, so it is 87 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 3,100 vehicles a day, roughly 9% of them trucks, projected to reach 3,100 by 2036. The structure is 27 ft (8.2 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMn 247
CrossesSilver Spring Creek
Location2.7 MI E of JCT TH 63
RouteState Highway 247
CountyOlmsted County
StateMinnesota
Coordinates44.16575, -92.36485
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43.2 US tons
Inventory rating28.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length27 ft (8.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,100 (2016)
Projected traffic3,100 by 2036
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$81 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 247 over Silver Spring Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Mn 247 over Silver Spring Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2024.

How much traffic does Mn 247 over Silver Spring Creek carry?

About 3,100 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Mn 247 over Silver Spring Creek?

The structure is 27 ft (8.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Mn 247 over Silver Spring Creek?

It is owned by the State Highway Agency.