US Bridges

Sullivan RD (sb) over Union Pacific RR

Good

Spokane County, Washington · 1.1 S Trent Road · Structure no. 081264000000000

Built
1967
58 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
121 ft
2 main spans
Daily traffic
28,100
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Sullivan RD (sb) over Union Pacific RR is a prestressed concrete stringer/multi-beam or girder carrying Sullivan RD (sb) over Union Pacific RR in Spokane County, Washington. It was built in 1967, so it is 58 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 121 ft (36.9 m) long and 36 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSullivan RD (sb)
CrossesUnion Pacific RR
Location1.1 S Trent Road
RouteCity Street 8017
Coordinates47.67883, -117.19672
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating20.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length121 ft (36.9 m)
Longest span66 ft (20.1 m)
Deck width36 ft (10.9 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,100 (2022)
Projected traffic34,300 by 2042
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed6.8 mi (11 km)
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$4.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Sullivan RD (sb) over Union Pacific RR built?

It was built in 1967, making it 58 years old in 2025.

What condition is Sullivan RD (sb) 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 RD (sb) over Union Pacific RR carry?

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

How long is Sullivan RD (sb) over Union Pacific RR?

The structure is 121 ft (36.9 m) long with a longest span of 66 ft (20.1 m) and a deck 36 ft wide.

Who owns Sullivan RD (sb) over Union Pacific RR?

It is owned by the City or Municipal Highway Agency.