US Bridges

US 97 over Watson Draw

Poor

Okanogan County, Washington · 1.5 N JCT SR 153 · Structure no. 0007683A0000000

Built
1965
60 years old, rebuilt 1991
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
100 ft
3 main spans
Daily traffic
5,644
2023 count
Owner
State
State Highway Agency

About this bridge

US 97 over Watson Draw is a concrete continuous tee beam carrying US 97 over Watson Draw in Okanogan County, Washington. It was built in 1965 and reconstructed in 1991, so it is 60 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 3 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 5,644 vehicles a day, roughly 11% of them trucks, projected to reach 6,852 by 2039. The structure is 100 ft (30.5 m) long and 35 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesUS 97
CrossesWatson Draw
Location1.5 N JCT SR 153
RouteU.S. Route 97
Coordinates48.0635, -119.88211
Functional classRural Principal Arterial - Other

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
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating41 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length100 ft (30.5 m)
Longest span64 ft (19.5 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,644 (2023)
Projected traffic6,852 by 2039
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed29.8 mi (48 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$1.8 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was US 97 over Watson Draw built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1991.

What condition is US 97 over Watson Draw 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 July 2024.

How much traffic does US 97 over Watson Draw carry?

About 5,644 vehicles per day (2023 count), of which roughly 11% are trucks.

How long is US 97 over Watson Draw?

The structure is 100 ft (30.5 m) long with a longest span of 64 ft (19.5 m) and a deck 35 ft wide.

Who owns US 97 over Watson Draw?

It is owned by the State Highway Agency.