US Bridges

HWY 69 over Prairie Road

Fair

Lane County, Oregon · 00.2 N JCT HWY 01W · Structure no. 09942 069 00683

Built
1971
54 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
130 ft
1 main span
Daily traffic
53,344
2022 count
Owner
State
State Highway Agency

About this bridge

HWY 69 over Prairie Road is a prestressed concrete stringer/multi-beam or girder carrying HWY 69 over Prairie Road in Lane County, Oregon. It was built in 1971, so it is 54 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 53,344 vehicles a day, roughly 9% of them trucks, projected to reach 67,200 by 2042. The structure is 130 ft (39.6 m) long and 91 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesHWY 69
CrossesPrairie Road
Location00.2 N JCT HWY 01W
RouteState Highway 569
CountyLane County
StateOregon
Coordinates44.0978, -123.16098
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19.3 US tons
Inventory rating15 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length130 ft (39.6 m)
Longest span130 ft (39.6 m)
Deck width91 ft (27.6 m)
Roadway width88 ft (26.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic53,344 (2022)
Projected traffic67,200 by 2042
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$666,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was HWY 69 over Prairie Road built?

It was built in 1971, making it 54 years old in 2025.

What condition is HWY 69 over Prairie Road 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 March 2023.

How much traffic does HWY 69 over Prairie Road carry?

About 53,344 vehicles per day (2022 count), of which roughly 9% are trucks.

How long is HWY 69 over Prairie Road?

The structure is 130 ft (39.6 m) long with a longest span of 130 ft (39.6 m) and a deck 91 ft wide.

Who owns HWY 69 over Prairie Road?

It is owned by the State Highway Agency.