US Bridges

Orchard Access RD over I 84 Eb-Wb;mayfield Ic

Fair

Ada County, Idaho · 16.4 E. Boise Ic · Structure no. 000000000019890

Built
1960
65 years old
Condition
Fair
inspected May 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
212 ft
3 main spans
Daily traffic
2,000
2023 count
Owner
State
State Highway Agency

About this bridge

Orchard Access RD over I 84 Eb-Wb;mayfield Ic is a prestressed concrete stringer/multi-beam or girder carrying Orchard Access RD over I 84 Eb-Wb;mayfield Ic in Ada County, Idaho. It was built in 1960, so it is 65 years old, older than the Idaho average of 45.3 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 2,000 vehicles a day, projected to reach 3,000 by 2042. The structure is 212 ft (64.6 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesOrchard Access RD
CrossesI 84 Eb-Wb;mayfield Ic
Location16.4 E. Boise Ic
RouteCounty Highway 0
StateIdaho
Coordinates43.38472, -115.99694
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating37 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20
Structure length212 ft (64.6 m)
Longest span50 ft (15.2 m)
Deck width32 ft (9.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2023)
Projected traffic3,000 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.2 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Orchard Access RD over I 84 Eb-Wb;mayfield Ic built?

It was built in 1960, making it 65 years old in 2025.

What condition is Orchard Access RD over I 84 Eb-Wb;mayfield Ic 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 2021.

How much traffic does Orchard Access RD over I 84 Eb-Wb;mayfield Ic carry?

About 2,000 vehicles per day (2023 count).

How long is Orchard Access RD over I 84 Eb-Wb;mayfield Ic?

The structure is 212 ft (64.6 m) long with a longest span of 50 ft (15.2 m) and a deck 32 ft wide.

Who owns Orchard Access RD over I 84 Eb-Wb;mayfield Ic?

It is owned by the State Highway Agency.