US Bridges

STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs

Fair

Ada County, Idaho · In Boise;orchard St. · Structure no. 000000000021325

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Concrete Continuous
Length
142 ft
2 main spans
Daily traffic
19,000
2023 count
Owner
State
State Highway Agency

About this bridge

STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs is a concrete continuous stringer/multi-beam or girder carrying STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs in Ada County, Idaho. It was built in 1968, so it is 57 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 19,000 vehicles a day, roughly 4% of them trucks, projected to reach 28,500 by 2042. The structure is 142 ft (43.3 m) long and 77 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSTP7343;ORCHARD ST
CrossesI 184B;ORCHARD ST Gs
LocationIn Boise;orchard St.
RouteCity Street 7343
CountyAda County
StateIdaho
Coordinates43.61808, -116.24342
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length142 ft (43.3 m)
Longest span71 ft (21.5 m)
Deck width77 ft (23.4 m)
Roadway width67 ft (20.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,000 (2023)
Projected traffic28,500 by 2042
Trucks4%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.9 mi (3 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$2.7 million (2019 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs built?

It was built in 1968, making it 57 years old in 2025.

What condition is STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs 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 August 2023.

How much traffic does STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs carry?

About 19,000 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs?

The structure is 142 ft (43.3 m) long with a longest span of 71 ft (21.5 m) and a deck 77 ft wide.

Who owns STP7343;ORCHARD ST over I 184B;ORCHARD ST Gs?

It is owned by the State Highway Agency.