US Bridges

County RD 1109 over Willow CR (guerricagotia

Fair

Malheur County, Oregon · 004 MI N Inter HWY26 · Structure no. 45C106110900105

Built
1976
49 years old
Condition
Fair
inspected September 2023
Type
Channel Beam
Prestressed Concrete
Length
30 ft
1 main span
Daily traffic
88
2020 count
Owner
County
County Highway Agency

About this bridge

County RD 1109 over Willow CR (guerricagotia is a prestressed concrete channel beam carrying County RD 1109 over Willow CR (guerricagotia in Malheur County, Oregon. It was built in 1976, so it is 49 years old, younger 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 88 vehicles a day, roughly 20% of them trucks, projected to reach 102 by 2025. The structure is 30 ft (9.1 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty RD 1109
CrossesWillow CR (guerricagotia
Location004 MI N Inter HWY26
RouteCounty Highway C1109
CountyMalheur County
StateOregon
Coordinates44.08254, -117.30531
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
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 rating71 US tons
Inventory rating38 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span27 ft (8.2 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic88 (2020)
Projected traffic102 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 County RD 1109 over Willow CR (guerricagotia built?

It was built in 1976, making it 49 years old in 2025.

What condition is County RD 1109 over Willow CR (guerricagotia 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 County RD 1109 over Willow CR (guerricagotia carry?

About 88 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is County RD 1109 over Willow CR (guerricagotia?

The structure is 30 ft (9.1 m) long with a longest span of 27 ft (8.2 m) and a deck 24 ft wide.

Who owns County RD 1109 over Willow CR (guerricagotia?

It is owned by the County Highway Agency.