US Bridges

Eastside Street over I-5

Good

Thurston County, Washington · 1.2 N JCT US 101 · Structure no. 0013283A0000000

Built
1988
37 years old
Condition
Good
inspected December 2021
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
182 ft
2 main spans
Daily traffic
4,000
2011 count
Owner
State
State Highway Agency

About this bridge

Eastside Street over I-5 is a prestressed concrete continuous box beam or girders - single or spread carrying Eastside Street over I-5 in Thurston County, Washington. It was built in 1988, so it is 37 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 4,000 vehicles a day, roughly 2% of them trucks, projected to reach 6,400 by 2036. The structure is 182 ft (55.5 m) long and 70 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEastside Street
CrossesI-5
Location1.2 N JCT US 101
RouteCity Street 0
Coordinates47.03567, -122.88694
Functional classUrban Minor 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 inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating73 US tons
Inventory rating43 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length182 ft (55.5 m)
Longest span98 ft (29.9 m)
Deck width70 ft (21.3 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2011)
Projected traffic6,400 by 2036
Trucks2%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.1 mi (5 km)
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$4.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Eastside Street over I-5 built?

It was built in 1988, making it 37 years old in 2025.

What condition is Eastside Street over I-5 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 December 2021.

How much traffic does Eastside Street over I-5 carry?

About 4,000 vehicles per day (2011 count), of which roughly 2% are trucks.

How long is Eastside Street over I-5?

The structure is 182 ft (55.5 m) long with a longest span of 98 ft (29.9 m) and a deck 70 ft wide.

Who owns Eastside Street over I-5?

It is owned by the State Highway Agency.