US Bridges

High Pass Road over Amazon Creek

Fair

Lane County, Oregon · 023 MI West Junction City · Structure no. 013906345500233

Built
1992
33 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
89 ft
2 main spans
Daily traffic
2,814
2020 count
Owner
County
County Highway Agency

About this bridge

High Pass Road over Amazon Creek is a prestressed concrete slab carrying High Pass Road over Amazon Creek in Lane County, Oregon. It was built in 1992, so it is 33 years old, younger than the Oregon average of 49.9 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 2,814 vehicles a day, roughly 10% of them trucks, projected to reach 3,064 by 2025. The structure is 89 ft (27.1 m) long and 32 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesHigh Pass Road
CrossesAmazon Creek
Location023 MI West Junction City
RouteCounty Highway A0456
CountyLane County
StateOregon
Coordinates44.21531, -123.25037
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66.8 US tons
Inventory rating51.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans2
Design loadHS 25 or greater
Structure length89 ft (27.1 m)
Longest span44 ft (13.4 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,814 (2020)
Projected traffic3,064 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was High Pass Road over Amazon Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is High Pass Road over Amazon Creek 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 July 2024.

How much traffic does High Pass Road over Amazon Creek carry?

About 2,814 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is High Pass Road over Amazon Creek?

The structure is 89 ft (27.1 m) long with a longest span of 44 ft (13.4 m) and a deck 32 ft wide.

Who owns High Pass Road over Amazon Creek?

It is owned by the County Highway Agency.