US Bridges

L Tub Springs RD over Antelope Creek

Fair

Wasco County, Oregon · 0.2 MI S of HWY 293 · Structure no. 65C58 308 00037

Built
1945
80 years old, rebuilt 1971
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
31 ft
1 main span
Daily traffic
86
2020 count
Owner
County
County Highway Agency

About this bridge

L Tub Springs RD over Antelope Creek is a wood or timber stringer/multi-beam or girder carrying L Tub Springs RD over Antelope Creek in Wasco County, Oregon. It was built in 1945 and reconstructed in 1971, so it is 80 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 86 vehicles a day, roughly 10% of them trucks, projected to reach 101 by 2025. The structure is 31 ft (9.4 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesL Tub Springs RD
CrossesAntelope Creek
Location0.2 MI S of HWY 293
RouteCounty Highway 0
StateOregon
Coordinates44.86583, -120.80795
Functional classRural Major 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionNovember 2024
Inspection intervalevery 12 months
Operating statusOpen, posting recommended but not legally implemented
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
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 rating9.6 US tons
Inventory rating7.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (2020)
Projected traffic101 by 2025
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 L Tub Springs RD over Antelope Creek built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1971.

What condition is L Tub Springs RD over Antelope 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 November 2024.

How much traffic does L Tub Springs RD over Antelope Creek carry?

About 86 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is L Tub Springs RD over Antelope Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 24 ft wide.

Who owns L Tub Springs RD over Antelope Creek?

It is owned by the County Highway Agency.