US Bridges

Waldo Road over E Fork Illinois River

Fair

Josephine County, Oregon · T40S-R8W-S26 Josephine CO · Structure no. 33C15 556000479

Built
1966
59 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
302 ft
3 main spans
Daily traffic
1,003
2020 count
Owner
County
County Highway Agency

About this bridge

Waldo Road over E Fork Illinois River is a prestressed concrete stringer/multi-beam or girder carrying Waldo Road over E Fork Illinois River in Josephine County, Oregon. It was built in 1966, so it is 59 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 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 1,003 vehicles a day, roughly 10% of them trucks, projected to reach 1,178 by 2025. The structure is 302 ft (92.1 m) long and 33 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

Open in Google Maps
CarriesWaldo Road
CrossesE Fork Illinois River
LocationT40S-R8W-S26 Josephine CO
RouteCounty Highway A3180
CountyJosephine County
StateOregon
Coordinates42.06542, -123.61926
Functional classRural Minor 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
Deck7 GoodSome minor problems.
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
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length302 ft (92.1 m)
Longest span99 ft (30.2 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,003 (2020)
Projected traffic1,178 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 Waldo Road over E Fork Illinois River built?

It was built in 1966, making it 59 years old in 2025.

What condition is Waldo Road over E Fork Illinois River 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 Waldo Road over E Fork Illinois River carry?

About 1,003 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Waldo Road over E Fork Illinois River?

The structure is 302 ft (92.1 m) long with a longest span of 99 ft (30.2 m) and a deck 33 ft wide.

Who owns Waldo Road over E Fork Illinois River?

It is owned by the County Highway Agency.