US Bridges

US 95 over Deep Cr;bnrr;uprr;naples

Fair

Boundary County, Idaho · 0.4 S. Naples · Structure no. 000000000018750

Built
1965
60 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
730 ft
8 main spans
Daily traffic
7,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 95 over Deep Cr;bnrr;uprr;naples is a steel stringer/multi-beam or girder carrying US 95 over Deep Cr;bnrr;uprr;naples in Boundary County, Idaho. It was built in 1965, so it is 60 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 7,300 vehicles a day, roughly 22% of them trucks, projected to reach 10,950 by 2042. The structure is 730 ft (222.5 m) long and 33 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesUS 95
CrossesDeep Cr;bnrr;uprr;naples
Location0.4 S. Naples
RouteU.S. Route 95
CountyBoundary County
StateIdaho
Coordinates48.56458, -116.3945
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82 US tons
Inventory rating49.1 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length730 ft (222.5 m)
Longest span117 ft (35.7 m)
Deck width33 ft (10 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,300 (2023)
Projected traffic10,950 by 2042
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed98.8 mi (159 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$8.2 million (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 95 over Deep Cr;bnrr;uprr;naples built?

It was built in 1965, making it 60 years old in 2025.

What condition is US 95 over Deep Cr;bnrr;uprr;naples 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 June 2024.

How much traffic does US 95 over Deep Cr;bnrr;uprr;naples carry?

About 7,300 vehicles per day (2023 count), of which roughly 22% are trucks.

How long is US 95 over Deep Cr;bnrr;uprr;naples?

The structure is 730 ft (222.5 m) long with a longest span of 117 ft (35.7 m) and a deck 33 ft wide.

Who owns US 95 over Deep Cr;bnrr;uprr;naples?

It is owned by the State Highway Agency.