US Bridges

Hall Blvd over Fanno Creek

Fair

Washington County, Oregon · 002 E of Greenway Blvd · Structure no. BB004 909100217

Built
1981
44 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
49 ft
1 main span
Daily traffic
35,412
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hall Blvd over Fanno Creek is a prestressed concrete slab carrying Hall Blvd over Fanno Creek in Washington County, Oregon. It was built in 1981, so it is 44 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 35,412 vehicles a day, roughly 5% of them trucks, projected to reach 39,055 by 2025. The structure is 49 ft (14.9 m) long and 83 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHall Blvd
CrossesFanno Creek
Location002 E of Greenway Blvd
RouteCity Street C0000
StateOregon
Coordinates45.46085, -122.79461
Functional classUrban Minor Arterial

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating78.3 US tons
Inventory rating60.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span48 ft (14.6 m)
Deck width83 ft (25.3 m)
Roadway width69 ft (20.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35,412 (2020)
Projected traffic39,055 by 2025
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Hall Blvd over Fanno Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Hall Blvd over Fanno 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 July 2024.

How much traffic does Hall Blvd over Fanno Creek carry?

About 35,412 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Hall Blvd over Fanno Creek?

The structure is 49 ft (14.9 m) long with a longest span of 48 ft (14.6 m) and a deck 83 ft wide.

Who owns Hall Blvd over Fanno Creek?

It is owned by the City or Municipal Highway Agency.