US Bridges

2 Ave Exten S over Railroad

Poor

King County, Washington · 2nd Ave S & Jackson · Structure no. 085051000000000

Built
1928
97 years old
Condition
Poor
inspected August 2023
Type
Girder and Floorbeam System
Steel
Length
208 ft
7 main spans
Daily traffic
13,700
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

2 Ave Exten S over Railroad is a steel girder and floorbeam system carrying 2 Ave Exten S over Railroad in King County, Washington. It was built in 1928, so it is 97 years old, older than the Washington average of 49.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 13,700 vehicles a day, roughly 10% of them trucks, projected to reach 16,714 by 2045. The structure is 208 ft (63.4 m) long and 79 ft wide.

Location

Open in Google Maps
Carries2 Ave Exten S
CrossesRailroad
Location2nd Ave S & Jackson
RouteCity Street 1140
CountyKing County
StateWashington
Coordinates47.59917, -122.32944
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionAugust 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 geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating106.8 US tons
Inventory rating106.8 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length208 ft (63.4 m)
Longest span34 ft (10.4 m)
Deck width79 ft (24.1 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,700 (2022)
Projected traffic16,714 by 2045
Trucks10%
Lanes on structure4
Traffic directionTwo-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 statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$932,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was 2 Ave Exten S over Railroad built?

It was built in 1928, making it 97 years old in 2025.

What condition is 2 Ave Exten S over Railroad in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does 2 Ave Exten S over Railroad carry?

About 13,700 vehicles per day (2022 count), of which roughly 10% are trucks.

How long is 2 Ave Exten S over Railroad?

The structure is 208 ft (63.4 m) long with a longest span of 34 ft (10.4 m) and a deck 79 ft wide.

Who owns 2 Ave Exten S over Railroad?

It is owned by the City or Municipal Highway Agency.