US Bridges

Sullivan Road (nb) over Union Pacific RR

Good

Spokane County, Washington · 1.1 S Trent Road · Structure no. 081416000000000

Built
1973
52 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
114 ft
1 main span
Daily traffic
28,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sullivan Road (nb) over Union Pacific RR is a prestressed concrete stringer/multi-beam or girder carrying Sullivan Road (nb) over Union Pacific RR in Spokane County, Washington. It was built in 1973, so it is 52 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 28,100 vehicles a day, roughly 17% of them trucks, projected to reach 34,300 by 2042. The structure is 114 ft (34.7 m) long and 36 ft wide.

Location

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CarriesSullivan Road (nb)
CrossesUnion Pacific RR
Location1.1 S Trent Road
RouteCity Street 8017
CountySpokane County
StateWashington
Coordinates47.67886, -117.19653
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33 US tons
Inventory rating25 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length114 ft (34.7 m)
Longest span114 ft (34.6 m)
Deck width36 ft (11.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,100 (2022)
Projected traffic34,300 by 2042
Trucks17%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$4.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sullivan Road (nb) over Union Pacific RR built?

It was built in 1973, making it 52 years old in 2025.

What condition is Sullivan Road (nb) over Union Pacific RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Sullivan Road (nb) over Union Pacific RR carry?

About 28,100 vehicles per day (2022 count), of which roughly 17% are trucks.

How long is Sullivan Road (nb) over Union Pacific RR?

The structure is 114 ft (34.7 m) long with a longest span of 114 ft (34.6 m) and a deck 36 ft wide.

Who owns Sullivan Road (nb) over Union Pacific RR?

It is owned by the City or Municipal Highway Agency.