US Bridges

NE 9th ST over I-205

Fair

Clark County, Washington · 1.7 N JCT SR 14 · Structure no. 0009214A0000000

Built
1972
53 years old
Condition
Fair
inspected February 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
351 ft
4 main spans
Daily traffic
2,529
2021 count
Owner
State
State Highway Agency

About this bridge

NE 9th ST over I-205 is a concrete continuous box beam or girders - multiple carrying NE 9th ST over I-205 in Clark County, Washington. It was built in 1972, so it is 53 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 2,529 vehicles a day, roughly 5% of them trucks, projected to reach 2,832 by 2041. The structure is 351 ft (107 m) long and 58 ft wide.

CarriesNE 9th ST
CrossesI-205
Location1.7 N JCT SR 14
RouteCounty Highway 0
Coordinates45.62828, -122.56025
Functional classUrban Minor 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating59 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length351 ft (107 m)
Longest span133 ft (40.5 m)
Deck width58 ft (17.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,529 (2021)
Projected traffic2,832 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$7.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NE 9th ST over I-205 built?

It was built in 1972, making it 53 years old in 2025.

What condition is NE 9th ST over I-205 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 February 2023.

How much traffic does NE 9th ST over I-205 carry?

About 2,529 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is NE 9th ST over I-205?

The structure is 351 ft (107 m) long with a longest span of 133 ft (40.5 m) and a deck 58 ft wide.

Who owns NE 9th ST over I-205?

It is owned by the State Highway Agency.