US Bridges

S Sunset Bench RD over Irrigation Canal 018

Good

Ravalli County, Montana · 7M NE Victor · Structure no. L41395001+09001

Built
1970
55 years old
Condition
Good
inspected November 2024
Type
Culvert
Steel
Length
25 ft
1 main span
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

S Sunset Bench RD over Irrigation Canal 018 is a steel culvert carrying S Sunset Bench RD over Irrigation Canal 018 in Ravalli County, Montana. It was built in 1970, so it is 55 years old, older 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 25 ft (7.6 m) long. If it were closed, the detour would be 11.2 mi (18 km).

CarriesS Sunset Bench RD
CrossesIrrigation Canal 018
Location7M NE Victor
RouteCounty Highway 41395
StateMontana
Coordinates46.45557, -114.04375
Functional classRural Minor Collector

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 inspectionNovember 2024
Inspection intervalevery 24 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 alignment7: Better than present minimum criteria
Operating rating58 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span22 ft (6.7 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 closed11.2 mi (18 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 S Sunset Bench RD over Irrigation Canal 018 built?

It was built in 1970, making it 55 years old in 2025.

What condition is S Sunset Bench RD over Irrigation Canal 018 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 November 2024.

How much traffic does S Sunset Bench RD over Irrigation Canal 018 carry?

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

How long is S Sunset Bench RD over Irrigation Canal 018?

The structure is 25 ft (7.6 m) long with a longest span of 22 ft (6.7 m).

Who owns S Sunset Bench RD over Irrigation Canal 018?

It is owned by the County Highway Agency.