US Bridges

SR 28 over Douglas Creek

Poor

Douglas County, Washington · 19.9 E JCT US 2 · Structure no. 0005345A0000000

Built
1957
68 years old
Condition
Poor
inspected July 2024
Type
Slab
Concrete Continuous
Length
300 ft
7 main spans
Daily traffic
9,626
2023 count
Owner
State
State Highway Agency

About this bridge

SR 28 over Douglas Creek is a concrete continuous slab carrying SR 28 over Douglas Creek in Douglas County, Washington. It was built in 1957, so it is 68 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 4 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 9,626 vehicles a day, roughly 15% of them trucks, projected to reach 11,598 by 2039. The structure is 300 ft (91.4 m) long and 34 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

Location

Open in Google Maps
CarriesSR 28
CrossesDouglas Creek
Location19.9 E JCT US 2
RouteState Highway 28
CountyDouglas County
StateWashington
Coordinates47.2815, -120.06578
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating65 US tons
Inventory rating39 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20
Structure length300 ft (91.4 m)
Longest span60 ft (18.3 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,626 (2023)
Projected traffic11,598 by 2039
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.1 mi (63 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$6.6 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 28 over Douglas Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is SR 28 over Douglas Creek 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 SR 28 over Douglas Creek carry?

About 9,626 vehicles per day (2023 count), of which roughly 15% are trucks.

How long is SR 28 over Douglas Creek?

The structure is 300 ft (91.4 m) long with a longest span of 60 ft (18.3 m) and a deck 34 ft wide.

Who owns SR 28 over Douglas Creek?

It is owned by the State Highway Agency.