US Bridges

SR 20 over Ped Trail

Good

Jefferson County, Washington · 1.25 E JCT SR 19 · Structure no. 0005166A0000000

Built
1956
69 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete Continuous
Length
228 ft
4 main spans
Daily traffic
17,453
2023 count
Owner
State
State Highway Agency

About this bridge

SR 20 over Ped Trail is a concrete continuous slab carrying SR 20 over Ped Trail in Jefferson County, Washington. It was built in 1956, so it is 69 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 17,453 vehicles a day, roughly 6% of them trucks, projected to reach 24,455 by 2039. The structure is 228 ft (69.5 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR 20
CrossesPed Trail
Location1.25 E JCT SR 19
RouteState Highway 20
Coordinates48.09125, -122.816
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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.9 US tons
Inventory rating44.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length228 ft (69.5 m)
Longest span58 ft (17.7 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,453 (2023)
Projected traffic24,455 by 2039
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesPedestrian / bicycle
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes

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$3.9 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 20 over Ped Trail built?

It was built in 1956, making it 69 years old in 2025.

What condition is SR 20 over Ped Trail 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 August 2023.

How much traffic does SR 20 over Ped Trail carry?

About 17,453 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is SR 20 over Ped Trail?

The structure is 228 ft (69.5 m) long with a longest span of 58 ft (17.7 m) and a deck 30 ft wide.

Who owns SR 20 over Ped Trail?

It is owned by the State Highway Agency.