US Bridges

Mn 9 over Spring Creek

Fair

Norman County, Minnesota · 4.5 MI N of JCT TH 200 · Structure no. 54003

Built
1980
45 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
94 ft
2 main spans
Daily traffic
820
2018 count
Owner
State
State Highway Agency

About this bridge

Mn 9 over Spring Creek is a prestressed concrete stringer/multi-beam or girder carrying Mn 9 over Spring Creek in Norman County, Minnesota. It was built in 1980, so it is 45 years old, older 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 6 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 820 vehicles a day, roughly 12% of them trucks, projected to reach 780 by 2038. The structure is 94 ft (28.6 m) long and 50 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesMn 9
CrossesSpring Creek
Location4.5 MI N of JCT TH 200
RouteState Highway 9
CountyNorman County
StateMinnesota
Coordinates47.36088, -96.51615
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.3 US tons
Inventory rating28.3 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length94 ft (28.6 m)
Longest span46 ft (14 m)
Deck width50 ft (15.3 m)
Roadway width47 ft (14.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2018)
Projected traffic780 by 2038
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mn 9 over Spring Creek built?

It was built in 1980, making it 45 years old in 2025.

What condition is Mn 9 over Spring 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 Mn 9 over Spring Creek carry?

About 820 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is Mn 9 over Spring Creek?

The structure is 94 ft (28.6 m) long with a longest span of 46 ft (14 m) and a deck 50 ft wide.

Who owns Mn 9 over Spring Creek?

It is owned by the State Highway Agency.