US Bridges

Anabel LN CR #78 over Mccomas Creek

Fair

Douglas County, Oregon · 2.7 MI N of Idleyld Park · Structure no. 19C502 78 175

Built
1987
38 years old
Condition
Fair
inspected April 2023
Type
Slab
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
31
2020 count
Owner
County
County Highway Agency

About this bridge

Anabel LN CR #78 over Mccomas Creek is a prestressed concrete slab carrying Anabel LN CR #78 over Mccomas Creek in Douglas County, Oregon. It was built in 1987, so it is 38 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 5 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 31 vehicles a day, projected to reach 36 by 2025. The structure is 41 ft (12.5 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesAnabel LN CR #78
CrossesMccomas Creek
Location2.7 MI N of Idleyld Park
RouteCounty Highway C0078
StateOregon
Coordinates43.3535, -122.99369
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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 alignment7: Better than present minimum criteria
Operating rating92 US tons
Inventory rating55 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 25 or greater
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31 (2020)
Projected traffic36 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 Anabel LN CR #78 over Mccomas Creek built?

It was built in 1987, making it 38 years old in 2025.

What condition is Anabel LN CR #78 over Mccomas Creek 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 April 2023.

How much traffic does Anabel LN CR #78 over Mccomas Creek carry?

About 31 vehicles per day (2020 count).

How long is Anabel LN CR #78 over Mccomas Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Anabel LN CR #78 over Mccomas Creek?

It is owned by the County Highway Agency.