US Bridges

Glenn ST (vale) over Malheur River

Fair

Malheur County, Oregon · 0.24 M S JCT HWY 20 · Structure no. 45C120057000041

Built
1961
64 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
305 ft
7 main spans
Daily traffic
1,037
2020 count
Owner
County
County Highway Agency

About this bridge

Glenn ST (vale) over Malheur River is a concrete continuous tee beam carrying Glenn ST (vale) over Malheur River in Malheur 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 1,037 vehicles a day, roughly 30% of them trucks, projected to reach 1,222 by 2025. The structure is 305 ft (93 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesGlenn ST (vale)
CrossesMalheur River
Location0.24 M S JCT HWY 20
RouteCounty Highway 0B487
CountyMalheur County
StateOregon
Coordinates43.97866, -117.23808
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.
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 inspectionSeptember 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.4 US tons
Inventory rating19.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length305 ft (93 m)
Longest span66 ft (20.1 m)
Deck width29 ft (8.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,037 (2020)
Projected traffic1,222 by 2025
Trucks30%
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 Glenn ST (vale) over Malheur River built?

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

What condition is Glenn ST (vale) over Malheur River 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 2023.

How much traffic does Glenn ST (vale) over Malheur River carry?

About 1,037 vehicles per day (2020 count), of which roughly 30% are trucks.

How long is Glenn ST (vale) over Malheur River?

The structure is 305 ft (93 m) long with a longest span of 66 ft (20.1 m) and a deck 29 ft wide.

Who owns Glenn ST (vale) over Malheur River?

It is owned by the County Highway Agency.