US Bridges

Crow Road over Spencer Creek Oflow

Fair

Lane County, Oregon · 05 MI SW JCT Crow R HWY26 · Structure no. 39C31A423400501

Built
1976
49 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
84 ft
3 main spans
Daily traffic
2,150
2020 count
Owner
County
County Highway Agency

About this bridge

Crow Road over Spencer Creek Oflow is a prestressed concrete slab carrying Crow Road over Spencer Creek Oflow in Lane 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 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 2,150 vehicles a day, roughly 10% of them trucks, projected to reach 2,425 by 2025. The structure is 84 ft (25.6 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCrow Road
CrossesSpencer Creek Oflow
Location05 MI SW JCT Crow R HWY26
RouteCounty Highway A0451
CountyLane County
StateOregon
Coordinates44.00584, -123.26332
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.
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 inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating23.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans3
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span28 ft (8.5 m)
Deck width32 ft (9.7 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2020)
Projected traffic2,425 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed5 mi (8 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 Crow Road over Spencer Creek Oflow built?

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

What condition is Crow Road over Spencer Creek Oflow 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 October 2024.

How much traffic does Crow Road over Spencer Creek Oflow carry?

About 2,150 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Crow Road over Spencer Creek Oflow?

The structure is 84 ft (25.6 m) long with a longest span of 28 ft (8.5 m) and a deck 32 ft wide.

Who owns Crow Road over Spencer Creek Oflow?

It is owned by the County Highway Agency.