US Bridges

SR 502 over I-5 & Gee Creek

Good

Clark County, Washington · JCT I-5 · Structure no. 0017259A0000000

Built
2008
17 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
720 ft
4 main spans
Daily traffic
11,075
2023 count
Owner
State
State Highway Agency

About this bridge

SR 502 over I-5 & Gee Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 502 over I-5 & Gee Creek in Clark County, Washington. It was built in 2008, so it is 17 years old, younger 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 11,075 vehicles a day, roughly 9% of them trucks, projected to reach 14,744 by 2039. The structure is 720 ft (219.5 m) long and 55 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesSR 502
CrossesI-5 & Gee Creek
LocationJCT I-5
RouteState Highway 502
CountyClark County
StateWashington
Coordinates45.78136, -122.67411
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations on dry land well above flood water elevations
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating80 US tons
Inventory rating48 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length720 ft (219.5 m)
Longest span180 ft (54.9 m)
Deck width55 ft (16.8 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,075 (2023)
Projected traffic14,744 by 2039
Trucks9%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$18.5 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 502 over I-5 & Gee Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR 502 over I-5 & Gee Creek 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 SR 502 over I-5 & Gee Creek carry?

About 11,075 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is SR 502 over I-5 & Gee Creek?

The structure is 720 ft (219.5 m) long with a longest span of 180 ft (54.9 m) and a deck 55 ft wide.

Who owns SR 502 over I-5 & Gee Creek?

It is owned by the State Highway Agency.