US Bridges

Ut 9259 over Shannon River

Good

St. Louis County, Minnesota · 0.9 MI E of JCT Csah 5 · Structure no. 69J68

Built
2011
14 years old
Condition
Good
inspected October 2023
Type
Culvert
Concrete
Length
46 ft
2 main spans
Daily traffic
5
2011 count
Owner
County
County Highway Agency

About this bridge

Ut 9259 over Shannon River is a concrete culvert carrying Ut 9259 over Shannon River in St. Louis County, Minnesota. It was built in 2011, so it is 14 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5 vehicles a day, projected to reach 5 by 2039. The structure is 46 ft (13.9 m) long. If it were closed, the detour would be 123 mi (198 km).

CarriesUt 9259
CrossesShannon River
Location0.9 MI E of JCT Csah 5
RouteCounty Highway 9259
Coordinates47.59529, -92.99118
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length46 ft (13.9 m)
Longest span20 ft (6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2011)
Projected traffic5 by 2039
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123 mi (198 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 9259 over Shannon River built?

It was built in 2011, making it 14 years old in 2025.

What condition is Ut 9259 over Shannon 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 2023.

How much traffic does Ut 9259 over Shannon River carry?

About 5 vehicles per day (2011 count).

How long is Ut 9259 over Shannon River?

The structure is 46 ft (13.9 m) long with a longest span of 20 ft (6 m).

Who owns Ut 9259 over Shannon River?

It is owned by the County Highway Agency.