US Bridges

Stp 7343;FAIRVIEW over Boise River

Fair

Ada County, Idaho · In Boise;fairview Ave Ebl · Structure no. 000000000012760

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
382 ft
5 main spans
Daily traffic
5,500
2023 count
Owner
County
County Highway Agency

About this bridge

Stp 7343;FAIRVIEW over Boise River is a prestressed concrete stringer/multi-beam or girder carrying Stp 7343;FAIRVIEW over Boise River in Ada County, Idaho. It was built in 1976, so it is 49 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 5,500 vehicles a day, roughly 4% of them trucks, projected to reach 8,250 by 2042. The structure is 382 ft (116.4 m) long and 38 ft wide.

CarriesStp 7343;FAIRVIEW
CrossesBoise River
LocationIn Boise;fairview Ave Ebl
RouteCounty Highway 7343
StateIdaho
Coordinates43.61941, -116.22961
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating27 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length382 ft (116.4 m)
Longest span75 ft (22.9 m)
Deck width38 ft (11.6 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2023)
Projected traffic8,250 by 2042
Trucks4%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed—
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$5.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Stp 7343;FAIRVIEW over Boise River built?

It was built in 1976, making it 49 years old in 2025.

What condition is Stp 7343;FAIRVIEW over Boise River 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 September 2024.

How much traffic does Stp 7343;FAIRVIEW over Boise River carry?

About 5,500 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Stp 7343;FAIRVIEW over Boise River?

The structure is 382 ft (116.4 m) long with a longest span of 75 ft (22.9 m) and a deck 38 ft wide.

Who owns Stp 7343;FAIRVIEW over Boise River?

It is owned by the County Highway Agency.