US Bridges

Nob Hill Blvd over UP & Bn RR

Fair

Yakima County, Washington · 00.02 W So 1st ST · Structure no. 085489000000000

Built
1964
61 years old
Condition
Fair
inspected November 2022
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
949 ft
12 main spans
Daily traffic
24,000
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nob Hill Blvd over UP & Bn RR is a prestressed concrete stringer/multi-beam or girder carrying Nob Hill Blvd over UP & Bn RR in Yakima County, Washington. It was built in 1964, so it is 61 years old, older than the Washington average of 49.8 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 24,000 vehicles a day, roughly 30% of them trucks, projected to reach 52,000 by 2040. The structure is 949 ft (289.3 m) long and 64 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesNob Hill Blvd
CrossesUP & Bn RR
Location00.02 W So 1st ST
RouteCity Street 3034
CountyYakima County
StateWashington
Coordinates46.58833, -120.49956
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating22.2 US tons
Inventory rating17.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans12
Design loadUnknown
Structure length949 ft (289.3 m)
Longest span116 ft (35.4 m)
Deck width64 ft (19.5 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,000 (2020)
Projected traffic52,000 by 2040
Trucks30%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nob Hill Blvd over UP & Bn RR built?

It was built in 1964, making it 61 years old in 2025.

What condition is Nob Hill Blvd over UP & Bn RR 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 November 2022.

How much traffic does Nob Hill Blvd over UP & Bn RR carry?

About 24,000 vehicles per day (2020 count), of which roughly 30% are trucks.

How long is Nob Hill Blvd over UP & Bn RR?

The structure is 949 ft (289.3 m) long with a longest span of 116 ft (35.4 m) and a deck 64 ft wide.

Who owns Nob Hill Blvd over UP & Bn RR?

It is owned by the City or Municipal Highway Agency.