US Bridges

Summerville Road over Willow Creek EB

Fair

Union County, Oregon · 1.9 MI NW of HWY 82 · Structure no. 10749A039 00190

Built
1965
60 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete Continuous
Length
76 ft
3 main spans
Daily traffic
866
2020 count
Owner
County
County Highway Agency

About this bridge

Summerville Road over Willow Creek EB is a concrete continuous tee beam carrying Summerville Road over Willow Creek EB in Union County, Oregon. It was built in 1965, so it is 60 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 866 vehicles a day, roughly 4% of them trucks, projected to reach 1,026 by 2025. The structure is 76 ft (23.2 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesSummerville Road
CrossesWillow Creek EB
Location1.9 MI NW of HWY 82
RouteCounty Highway 0
CountyUnion County
StateOregon
Coordinates45.47574, -117.99279
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
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
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length76 ft (23.2 m)
Longest span25 ft (7.6 m)
Deck width30 ft (9 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic866 (2020)
Projected traffic1,026 by 2025
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Summerville Road over Willow Creek EB built?

It was built in 1965, making it 60 years old in 2025.

What condition is Summerville Road over Willow Creek EB 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 Summerville Road over Willow Creek EB carry?

About 866 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Summerville Road over Willow Creek EB?

The structure is 76 ft (23.2 m) long with a longest span of 25 ft (7.6 m) and a deck 30 ft wide.

Who owns Summerville Road over Willow Creek EB?

It is owned by the County Highway Agency.