US Bridges

Old US 20 (hwy 33) over Peterson Creek

Fair

Lincoln County, Oregon · 018 MI W of Eddyville · Structure no. 00931 033 02171

Built
1962
63 years old
Condition
Fair
inspected September 2024
Type
Channel Beam
Concrete
Length
49 ft
3 main spans
Daily traffic
6,611
2022 count
Owner
County
County Highway Agency

About this bridge

Old US 20 (hwy 33) over Peterson Creek is a concrete channel beam carrying Old US 20 (hwy 33) over Peterson Creek in Lincoln County, Oregon. It was built in 1962, so it is 63 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 6,611 vehicles a day, roughly 17% of them trucks, projected to reach 6,700 by 2042. The structure is 49 ft (14.9 m) long and 31 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesOld US 20 (hwy 33)
CrossesPeterson Creek
Location018 MI W of Eddyville
RouteU.S. Route 20
CountyLincoln County
StateOregon
Coordinates44.65472, -123.79115
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating35.7 US tons
Inventory rating27.4 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span17 ft (5.2 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,611 (2022)
Projected traffic6,700 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.1 mi (42 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$251,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Old US 20 (hwy 33) over Peterson Creek built?

It was built in 1962, making it 63 years old in 2025.

What condition is Old US 20 (hwy 33) over Peterson 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 September 2024.

How much traffic does Old US 20 (hwy 33) over Peterson Creek carry?

About 6,611 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Old US 20 (hwy 33) over Peterson Creek?

The structure is 49 ft (14.9 m) long with a longest span of 17 ft (5.2 m) and a deck 31 ft wide.

Who owns Old US 20 (hwy 33) over Peterson Creek?

It is owned by the County Highway Agency.