US Bridges

US101(HWY009) over Thomas Creek

Fair

Curry County, Oregon · 15.3 MI N of Ca - or Sl · Structure no. 08459 009 34778

Built
1961
64 years old
Condition
Fair
inspected August 2023
Type
Truss - Deck
Steel Continuous
Length
957 ft
3 main spans
Daily traffic
4,066
2022 count
Owner
State
State Highway Agency

About this bridge

US101(HWY009) over Thomas Creek is a steel continuous truss - deck carrying US101(HWY009) over Thomas Creek in Curry County, Oregon. It was built in 1961, so it is 64 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 4,066 vehicles a day, roughly 18% of them trucks, projected to reach 4,200 by 2042. The structure is 957 ft (291.7 m) long and 35 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS101(HWY009)
CrossesThomas Creek
Location15.3 MI N of Ca - or Sl
RouteU.S. Route 101
CountyCurry County
StateOregon
Coordinates42.16579, -124.35903
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeTruss - Deck
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+7 approach)
Design loadHS 20
Structure length957 ft (291.7 m)
Longest span371 ft (113.1 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,066 (2022)
Projected traffic4,200 by 2042
Trucks18%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US101(HWY009) over Thomas Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is US101(HWY009) over Thomas 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 August 2023.

How much traffic does US101(HWY009) over Thomas Creek carry?

About 4,066 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US101(HWY009) over Thomas Creek?

The structure is 957 ft (291.7 m) long with a longest span of 371 ft (113.1 m) and a deck 35 ft wide.

Who owns US101(HWY009) over Thomas Creek?

It is owned by the State Highway Agency.