US Bridges

B470 Catlow Valley over Home Creek

FairPosted for load

Harney County, Oregon · 077 M ORE205 Roaring Sprg · Structure no. 25D02 C20200772

Built
1971
54 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
23 ft
1 main span
Daily traffic
123
2020 count
Owner
County
County Highway Agency

About this bridge

B470 Catlow Valley over Home Creek is a wood or timber stringer/multi-beam or girder carrying B470 Catlow Valley over Home Creek in Harney 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. Its operating status is: posted for load restriction.

It carries about 123 vehicles a day, roughly 10% of them trucks, projected to reach 143 by 2025. The structure is 23 ft (7 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesB470 Catlow Valley
CrossesHome Creek
Location077 M ORE205 Roaring Sprg
RouteCounty Highway 0B470
StateOregon
Coordinates42.5552, -118.94104
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being 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 rating23.3 US tons
Inventory rating17.9 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length23 ft (7 m)
Longest span21 ft (6.4 m)
Deck width24 ft (7.4 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic123 (2020)
Projected traffic143 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 B470 Catlow Valley over Home Creek built?

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

What condition is B470 Catlow Valley over Home 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 B470 Catlow Valley over Home Creek carry?

About 123 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is B470 Catlow Valley over Home Creek?

The structure is 23 ft (7 m) long with a longest span of 21 ft (6.4 m) and a deck 24 ft wide.

Who owns B470 Catlow Valley over Home Creek?

It is owned by the County Highway Agency.