US Bridges

Ricebran Access RD over East Bench Canal

FairPosted for load

Beaverhead County, Montana · 11 MI NW of Dillon Mt · Structure no. MTA-EBID-018

Built
1962
63 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
39 ft
2 main spans
Daily traffic
20
2019 count
Owner
Federal
Bureau of Reclamation

About this bridge

Ricebran Access RD over East Bench Canal is a wood or timber stringer/multi-beam or girder carrying Ricebran Access RD over East Bench Canal in Beaverhead County, Montana. It was built in 1962, so it is 63 years old, older 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. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, projected to reach 30 by 2042. The structure is 39 ft (12 m) long and 22 ft wide. If it were closed, the detour would be 198.8 mi (320 km).

Location

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CarriesRicebran Access RD
CrossesEast Bench Canal
Location11 MI NW of Dillon Mt
CountyBeaverhead County
StateMontana
Coordinates45.31877, -112.46443
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load 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 alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating27.9 US tons
Inventory rating20.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length39 ft (12 m)
Longest span19 ft (5.9 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2019)
Projected traffic30 by 2042
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed198.8 mi (320 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Reclamation
Maintained byOther Local 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 Ricebran Access RD over East Bench Canal built?

It was built in 1962, making it 63 years old in 2025.

What condition is Ricebran Access RD over East Bench Canal 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 May 2023.

How much traffic does Ricebran Access RD over East Bench Canal carry?

About 20 vehicles per day (2019 count).

How long is Ricebran Access RD over East Bench Canal?

The structure is 39 ft (12 m) long with a longest span of 19 ft (5.9 m) and a deck 22 ft wide.

Who owns Ricebran Access RD over East Bench Canal?

It is owned by the Bureau of Reclamation and maintained by the Other Local Agency.