US Bridges

Or 203 (hwy 066) over Little Creek (union)

Fair

Union County, Oregon · 10.2 Mi. S.E. Jct. I-84 · Structure no. 00818A066 01565

Built
1922
103 years old, rebuilt 1931
Condition
Fair
inspected June 2023
Type
Tee Beam
Concrete
Length
23 ft
1 main span
Daily traffic
2,496
2022 count
Owner
State
State Highway Agency

About this bridge

Or 203 (hwy 066) over Little Creek (union) is a concrete tee beam carrying Or 203 (hwy 066) over Little Creek (union) in Union County, Oregon. It was built in 1922 and reconstructed in 1931, so it is 103 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 2,496 vehicles a day, roughly 14% of them trucks, projected to reach 2,600 by 2042. The structure is 23 ft (6.9 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOr 203 (hwy 066)
CrossesLittle Creek (union)
Location10.2 Mi. S.E. Jct. I-84
RouteState Highway 203
StateOregon
Coordinates45.21987, -117.8696
Functional classRural Minor Arterial

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (6.9 m)
Longest span20 ft (6.1 m)
Deck width35 ft (10.6 m)
Roadway width33 ft (10 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,496 (2022)
Projected traffic2,600 by 2042
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 203 (hwy 066) over Little Creek (union) built?

It was built in 1922, making it 103 years old in 2025. It was reconstructed in 1931.

What condition is Or 203 (hwy 066) over Little Creek (union) 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 June 2023.

How much traffic does Or 203 (hwy 066) over Little Creek (union) carry?

About 2,496 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is Or 203 (hwy 066) over Little Creek (union)?

The structure is 23 ft (6.9 m) long with a longest span of 20 ft (6.1 m) and a deck 35 ft wide.

Who owns Or 203 (hwy 066) over Little Creek (union)?

It is owned by the State Highway Agency.