US Bridges

Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave Ic

Fair

Ada County, Idaho · In Boise · Structure no. 000000000021591

Built
2010
15 years old
Condition
Fair
inspected April 2021
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
182 ft
2 main spans
Daily traffic
28,000
2023 count
Owner
State
State Highway Agency

About this bridge

Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave Ic is a prestressed concrete continuous stringer/multi-beam or girder carrying Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave Ic in Ada County, Idaho. It was built in 2010, so it is 15 years old, younger 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 28,000 vehicles a day, roughly 2% of them trucks, projected to reach 42,000 by 2042. The structure is 182 ft (55.5 m) long and 198 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNhs 7433;VISTA Ave
CrossesI 84 Eb-Wb;vista Ave Ic
LocationIn Boise
RouteCity Street 7433
CountyAda County
StateIdaho
Coordinates43.57103, -116.21556
Functional classUrban Other Principal Arterial

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length182 ft (55.5 m)
Longest span89 ft (27.2 m)
Deck width198 ft (60.2 m)
Roadway width91 ft (27.7 m)
Vertical clearance over deck18 ft (5.5 m)

Traffic and service

Average daily traffic28,000 (2023)
Projected traffic42,000 by 2042
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave Ic built?

It was built in 2010, making it 15 years old in 2025.

What condition is Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave 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 April 2021.

How much traffic does Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave Ic carry?

About 28,000 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave Ic?

The structure is 182 ft (55.5 m) long with a longest span of 89 ft (27.2 m) and a deck 198 ft wide.

Who owns Nhs 7433;VISTA Ave over I 84 Eb-Wb;vista Ave Ic?

It is owned by the State Highway Agency.