US Bridges

US 95 over Bnrr;arizona St.

Fair

Boundary County, Idaho · In Bonners Ferry · Structure no. 000000000018765

Built
1972
53 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
382 ft
4 main spans
Daily traffic
13,000
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Bnrr;arizona St. is a steel stringer/multi-beam or girder carrying US 95 over Bnrr;arizona St. in Boundary County, Idaho. It was built in 1972, so it is 53 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 5 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 13,000 vehicles a day, roughly 8% of them trucks, projected to reach 19,500 by 2042. The structure is 382 ft (116.4 m) long and 73 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 95
CrossesBnrr;arizona St.
LocationIn Bonners Ferry
RouteU.S. Route 95
StateIdaho
Coordinates48.69525, -116.31111
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64 US tons
Inventory rating38 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length382 ft (116.4 m)
Longest span135 ft (41.1 m)
Deck width73 ft (22.2 m)
Roadway width63 ft (19.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2023)
Projected traffic19,500 by 2042
Trucks8%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and railroad
Detour if closed1.2 mi (2 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 proposedOther structural work, including hydraulic replacements
Estimated improvement cost$165,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was US 95 over Bnrr;arizona St. built?

It was built in 1972, making it 53 years old in 2025.

What condition is US 95 over Bnrr;arizona St. 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 2023.

How much traffic does US 95 over Bnrr;arizona St. carry?

About 13,000 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 95 over Bnrr;arizona St.?

The structure is 382 ft (116.4 m) long with a longest span of 135 ft (41.1 m) and a deck 73 ft wide.

Who owns US 95 over Bnrr;arizona St.?

It is owned by the State Highway Agency.