US Bridges

Ut 9 over East Fork Rapid River

Good

Koochiching County, Minnesota · 0.1 MI S of JCT Csah 18 · Structure no. 36531

Built
2012
13 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
150 ft
3 main spans
Daily traffic
49
2011 count
Owner
County
County Highway Agency

About this bridge

Ut 9 over East Fork Rapid River is a prestressed concrete stringer/multi-beam or girder carrying Ut 9 over East Fork Rapid River in Koochiching County, Minnesota. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 49 vehicles a day, projected to reach 49 by 2032. The structure is 150 ft (45.6 m) long and 29 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesUt 9
CrossesEast Fork Rapid River
Location0.1 MI S of JCT Csah 18
RouteCounty Highway 9
Coordinates48.64173, -94.38544
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating69.8 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length150 ft (45.6 m)
Longest span78 ft (23.8 m)
Deck width29 ft (8.9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic49 (2011)
Projected traffic49 by 2032
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Ut 9 over East Fork Rapid River built?

It was built in 2012, making it 13 years old in 2025.

What condition is Ut 9 over East Fork Rapid River 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 Ut 9 over East Fork Rapid River carry?

About 49 vehicles per day (2011 count).

How long is Ut 9 over East Fork Rapid River?

The structure is 150 ft (45.6 m) long with a longest span of 78 ft (23.8 m) and a deck 29 ft wide.

Who owns Ut 9 over East Fork Rapid River?

It is owned by the County Highway Agency.