US Bridges

Pengra Road over Fall Creek

Fair

Lane County, Oregon · 050 MI W Fall Creek Dam · Structure no. 039C35622700004

Built
1970
55 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
313 ft
3 main spans
Daily traffic
4,424
2020 count
Owner
County
County Highway Agency

About this bridge

Pengra Road over Fall Creek is a prestressed concrete stringer/multi-beam or girder carrying Pengra Road over Fall Creek in Lane County, Oregon. It was built in 1970, so it is 55 years old, older 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 4,424 vehicles a day, roughly 10% of them trucks, projected to reach 5,174 by 2025. The structure is 313 ft (95.4 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesPengra Road
CrossesFall Creek
Location050 MI W Fall Creek Dam
RouteCounty Highway A0462
CountyLane County
StateOregon
Coordinates43.96497, -122.84966
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating17.2 US tons
Inventory rating13.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length313 ft (95.4 m)
Longest span103 ft (31.4 m)
Deck width35 ft (10.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,424 (2020)
Projected traffic5,174 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Pengra Road over Fall Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Pengra Road over Fall 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 October 2024.

How much traffic does Pengra Road over Fall Creek carry?

About 4,424 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Pengra Road over Fall Creek?

The structure is 313 ft (95.4 m) long with a longest span of 103 ft (31.4 m) and a deck 35 ft wide.

Who owns Pengra Road over Fall Creek?

It is owned by the County Highway Agency.