US Bridges

Golf Course RD over Bitterroot Canal 045

Fair

Ravalli County, Montana · 3M SE Hamilton · Structure no. L41500000+07001

Built
1986
39 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
52 ft
2 main spans
Daily traffic
100
2025 count
Owner
County
County Highway Agency

About this bridge

Golf Course RD over Bitterroot Canal 045 is a concrete channel beam carrying Golf Course RD over Bitterroot Canal 045 in Ravalli County, Montana. It was built in 1986, so it is 39 years old, younger than the Montana average of 47 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 100 vehicles a day, roughly 3% of them trucks, projected to reach 100 by 2040. The structure is 52 ft (15.8 m) long and 30 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesGolf Course RD
CrossesBitterroot Canal 045
Location3M SE Hamilton
RouteCounty Highway 41500
StateMontana
Coordinates46.21612, -114.09735
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.5 US tons
Inventory rating28.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span26 ft (7.9 m)
Deck width30 ft (9 m)
Roadway width29 ft (8.7 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 closed1.2 mi (2 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 Golf Course RD over Bitterroot Canal 045 built?

It was built in 1986, making it 39 years old in 2025.

What condition is Golf Course RD over Bitterroot Canal 045 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 October 2024.

How much traffic does Golf Course RD over Bitterroot Canal 045 carry?

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

How long is Golf Course RD over Bitterroot Canal 045?

The structure is 52 ft (15.8 m) long with a longest span of 26 ft (7.9 m) and a deck 30 ft wide.

Who owns Golf Course RD over Bitterroot Canal 045?

It is owned by the County Highway Agency.