US Bridges

C110 Embree Br. RD over Embree Slough

FairPosted for load

Harney County, Oregon · 012 MI C130 Isld Ranch RD · Structure no. 25A71 C11000122

Built
1976
49 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
40 ft
2 main spans
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

C110 Embree Br. RD over Embree Slough is a wood or timber stringer/multi-beam or girder carrying C110 Embree Br. RD over Embree Slough in Harney 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. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, roughly 20% of them trucks, projected to reach 104 by 2025. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 15.5 mi (25 km).

Location

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CarriesC110 Embree Br. RD
CrossesEmbree Slough
Location012 MI C130 Isld Ranch RD
RouteCounty Highway C0110
CountyHarney County
StateOregon
Coordinates43.48322, -118.89692
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be 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 rating22.8 US tons
Inventory rating17.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans2
Design loadH 15
Structure length40 ft (12.2 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic104 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed15.5 mi (25 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 C110 Embree Br. RD over Embree Slough built?

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

What condition is C110 Embree Br. RD over Embree Slough 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 2024.

How much traffic does C110 Embree Br. RD over Embree Slough carry?

About 90 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is C110 Embree Br. RD over Embree Slough?

The structure is 40 ft (12.2 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns C110 Embree Br. RD over Embree Slough?

It is owned by the County Highway Agency.