US Bridges

Public Traffic over Applegate Dam

Fair

Jackson County, Oregon · Spillway · Structure no. CEPNPPOR000AD02

Built
1978
47 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
114 ft
2 main spans
Daily traffic
100
2015 count
Owner
Federal
Corps of Engineers (Civil)

About this bridge

Public Traffic over Applegate Dam is a prestressed concrete stringer/multi-beam or girder carrying Public Traffic over Applegate Dam in Jackson County, Oregon. It was built in 1978, so it is 47 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 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2042. The structure is 114 ft (34.6 m) long and 28 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesPublic Traffic
CrossesApplegate Dam
LocationSpillway
StateOregon
Coordinates42.05714, -123.11689
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length114 ft (34.6 m)
Longest span52 ft (15.7 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2015)
Projected traffic120 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCorps of Engineers (Civil)
Maintained byCorps of Engineers (Civil)
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$423,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Public Traffic over Applegate Dam built?

It was built in 1978, making it 47 years old in 2025.

What condition is Public Traffic over Applegate Dam 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 May 2023.

How much traffic does Public Traffic over Applegate Dam carry?

About 100 vehicles per day (2015 count), of which roughly 10% are trucks.

How long is Public Traffic over Applegate Dam?

The structure is 114 ft (34.6 m) long with a longest span of 52 ft (15.7 m) and a deck 28 ft wide.

Who owns Public Traffic over Applegate Dam?

It is owned by the Corps of Engineers (Civil).