US Bridges

Oasis Road over D Line Canal

Good

Payette County, Idaho · 11.5S. 2.6E. New Plymouth · Structure no. 000000000028432

Built
2000
25 years old
Condition
Good
inspected October 2023
Type
Tee Beam
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
700
2023 count
Owner
County
County Highway Agency

About this bridge

Oasis Road over D Line Canal is a prestressed concrete tee beam carrying Oasis Road over D Line Canal in Payette County, Idaho. It was built in 2000, so it is 25 years old, younger than the Idaho average of 45.3 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 700 vehicles a day, roughly 11% of them trucks, projected to reach 1,050 by 2042. The structure is 50 ft (15.2 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesOasis Road
CrossesD Line Canal
Location11.5S. 2.6E. New Plymouth
RouteCounty Highway 0
CountyPayette County
StateIdaho
Coordinates43.80725, -116.76056
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length50 ft (15.2 m)
Longest span48 ft (14.6 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,050 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$590,000 (2023 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Oasis Road over D Line Canal built?

It was built in 2000, making it 25 years old in 2025.

What condition is Oasis Road over D Line Canal 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 October 2023.

How much traffic does Oasis Road over D Line Canal carry?

About 700 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is Oasis Road over D Line Canal?

The structure is 50 ft (15.2 m) long with a longest span of 48 ft (14.6 m) and a deck 25 ft wide.

Who owns Oasis Road over D Line Canal?

It is owned by the County Highway Agency.