US Bridges

Home Acres RD over Supply Ditch 023

Fair

Ravalli County, Montana · 5M E Victor · Structure no. L41312003+02001

Built
1978
47 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
35 ft
2 main spans
Daily traffic
459
2023 count
Owner
County
County Highway Agency

About this bridge

Home Acres RD over Supply Ditch 023 is a prestressed concrete channel beam carrying Home Acres RD over Supply Ditch 023 in Ravalli County, Montana. It was built in 1978, so it is 47 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 5 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 459 vehicles a day, roughly 3% of them trucks, projected to reach 491 by 2043. The structure is 35 ft (10.7 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesHome Acres RD
CrossesSupply Ditch 023
Location5M E Victor
RouteCounty Highway 41312
CountyRavalli County
StateMontana
Coordinates46.42467, -114.07306
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span19 ft (5.8 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic459 (2023)
Projected traffic491 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Home Acres RD over Supply Ditch 023 built?

It was built in 1978, making it 47 years old in 2025.

What condition is Home Acres RD over Supply Ditch 023 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 November 2024.

How much traffic does Home Acres RD over Supply Ditch 023 carry?

About 459 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Home Acres RD over Supply Ditch 023?

The structure is 35 ft (10.7 m) long with a longest span of 19 ft (5.8 m) and a deck 30 ft wide.

Who owns Home Acres RD over Supply Ditch 023?

It is owned by the County Highway Agency.