US Bridges

Jewett LN over Irrigation Canal 008

Good

Jefferson County, Montana · NW Willow Creek · Structure no. 000000202103216

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Culvert
Steel
Length
24 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Jewett LN over Irrigation Canal 008 is a steel culvert carrying Jewett LN over Irrigation Canal 008 in Jefferson County, Montana. It was built in 2021, so it is 4 years old, younger than the Montana average of 47 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 24 ft (7.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesJewett LN
CrossesIrrigation Canal 008
LocationNW Willow Creek
RouteCounty Highway 22526
StateMontana
Coordinates45.83793, -111.67666
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating59 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length24 ft (7.4 m)
Longest span10 ft (3.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2025)
Projected traffic100 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Jewett LN over Irrigation Canal 008 built?

It was built in 2021, making it 4 years old in 2025.

What condition is Jewett LN over Irrigation Canal 008 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 April 2023.

How much traffic does Jewett LN over Irrigation Canal 008 carry?

About 100 vehicles per day (2025 count), of which roughly 3% are trucks.

How long is Jewett LN over Irrigation Canal 008?

The structure is 24 ft (7.4 m) long with a longest span of 10 ft (3.2 m).

Who owns Jewett LN over Irrigation Canal 008?

It is owned by the County Highway Agency.