US Bridges

Tacoma Creek RD over Tacoma Creek

Poor

Pend Oreille County, Washington · 4 Miles W/O HWY 20 · Structure no. 086016000000000

Built
1960
65 years old
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
25 ft
1 main span
Daily traffic
290
2018 count
Owner
County
County Highway Agency

About this bridge

Tacoma Creek RD over Tacoma Creek is a wood or timber stringer/multi-beam or girder carrying Tacoma Creek RD over Tacoma Creek in Pend Oreille County, Washington. It was built in 1960, so it is 65 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 290 vehicles a day, roughly 3% of them trucks, projected to reach 300 by 2040. The structure is 25 ft (7.6 m) long and 15 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesTacoma Creek RD
CrossesTacoma Creek
Location4 Miles W/O HWY 20
RouteCounty Highway 23890
Coordinates48.431, -117.3693
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61.9 US tons
Inventory rating45 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width15 ft (4.7 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic290 (2018)
Projected traffic300 by 2040
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$728,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Tacoma Creek RD over Tacoma Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Tacoma Creek RD over Tacoma 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 2023.

How much traffic does Tacoma Creek RD over Tacoma Creek carry?

About 290 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Tacoma Creek RD over Tacoma Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 15 ft wide.

Who owns Tacoma Creek RD over Tacoma Creek?

It is owned by the County Highway Agency.