US Bridges

Tetherow Road over Deschutes River

Good

Deschutes County, Oregon · 0100 MI West Helmholtz RD · Structure no. 22384 C74 00100

Built
2016
9 years old
Condition
Good
inspected February 2023
Type
Slab
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
253
2020 count
Owner
County
County Highway Agency

About this bridge

Tetherow Road over Deschutes River is a prestressed concrete slab carrying Tetherow Road over Deschutes River in Deschutes County, Oregon. It was built in 2016, so it is 9 years old, younger than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 253 vehicles a day, roughly 10% of them trucks, projected to reach 288 by 2025. The structure is 68 ft (20.7 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesTetherow Road
CrossesDeschutes River
Location0100 MI West Helmholtz RD
RouteCounty Highway 2207
CountyDeschutes County
StateOregon
Coordinates44.31222, -121.23917
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.2 US tons
Inventory rating41.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length68 ft (20.7 m)
Longest span68 ft (20.7 m)
Deck width30 ft (9 m)
Roadway width17 ft (5.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic253 (2020)
Projected traffic288 by 2025
Trucks10%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Tetherow Road over Deschutes River built?

It was built in 2016, making it 9 years old in 2025.

What condition is Tetherow Road over Deschutes River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2023.

How much traffic does Tetherow Road over Deschutes River carry?

About 253 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Tetherow Road over Deschutes River?

The structure is 68 ft (20.7 m) long with a longest span of 68 ft (20.7 m) and a deck 30 ft wide.

Who owns Tetherow Road over Deschutes River?

It is owned by the County Highway Agency.