US Bridges

Washington Avenue over UP RR & BNSF RY

Fair

Butte County, California · Just SE of Montgomery ST · Structure no. 12C0405

Built
1982
43 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
7,468
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Washington Avenue over UP RR & BNSF RY is a prestressed concrete stringer/multi-beam or girder carrying Washington Avenue over UP RR & BNSF RY in Butte County, California. It was built in 1982, so it is 43 years old, younger than the California average of 54.8 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 7,468 vehicles a day, roughly 5% of them trucks, projected to reach 14,521 by 2041. The structure is 78 ft (23.8 m) long and 49 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesWashington Avenue
CrossesUP RR & BNSF RY
LocationJust SE of Montgomery ST
RouteCity Street 0
Coordinates39.51536, -121.54851
Functional classUrban 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
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
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating20.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length78 ft (23.8 m)
Longest span74 ft (22.6 m)
Deck width49 ft (14.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,468 (2019)
Projected traffic14,521 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Washington Avenue over UP RR & BNSF RY built?

It was built in 1982, making it 43 years old in 2025.

What condition is Washington Avenue over UP RR & BNSF RY 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 March 2023.

How much traffic does Washington Avenue over UP RR & BNSF RY carry?

About 7,468 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Washington Avenue over UP RR & BNSF RY?

The structure is 78 ft (23.8 m) long with a longest span of 74 ft (22.6 m) and a deck 49 ft wide.

Who owns Washington Avenue over UP RR & BNSF RY?

It is owned by the City or Municipal Highway Agency.