US Bridges

Twin Br RD over Deschutes Rv

Fair

Deschutes County, Oregon · 0050 MI West Swelley RD · Structure no. 17C37 B33200050

Built
1974
51 years old
Condition
Fair
inspected February 2023
Type
Culvert
Steel
Length
32 ft
2 main spans
Daily traffic
319
2020 count
Owner
County
County Highway Agency

About this bridge

Twin Br RD over Deschutes Rv is a steel culvert carrying Twin Br RD over Deschutes Rv in Deschutes County, Oregon. It was built in 1974, so it is 51 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 319 vehicles a day, roughly 4% of them trucks, projected to reach 363 by 2025. The structure is 32 ft (9.8 m) long and 64 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesTwin Br RD
CrossesDeschutes Rv
Location0050 MI West Swelley RD
RouteCounty Highway 1140
CountyDeschutes County
StateOregon
Coordinates44.18199, -121.31813
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length32 ft (9.8 m)
Longest span15 ft (4.6 m)
Deck width64 ft (19.5 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic319 (2020)
Projected traffic363 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Twin Br RD over Deschutes Rv built?

It was built in 1974, making it 51 years old in 2025.

What condition is Twin Br RD over Deschutes Rv 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 February 2023.

How much traffic does Twin Br RD over Deschutes Rv carry?

About 319 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Twin Br RD over Deschutes Rv?

The structure is 32 ft (9.8 m) long with a longest span of 15 ft (4.6 m) and a deck 64 ft wide.

Who owns Twin Br RD over Deschutes Rv?

It is owned by the County Highway Agency.