US Bridges

IRR BIA RTE 26 over North Moclips River

Fair

Grays Harbor County, Washington · 15 KM N.E. of Moclips · Structure no. 00000000000P004

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
51 ft
2 main spans
Daily traffic
375
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

IRR BIA RTE 26 over North Moclips River is a concrete tee beam carrying IRR BIA RTE 26 over North Moclips River in Grays Harbor County, Washington. It was built in 1965, 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 375 vehicles a day, roughly 30% of them trucks, projected to reach 437 by 2040. The structure is 51 ft (15.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesIRR BIA RTE 26
CrossesNorth Moclips River
Location15 KM N.E. of Moclips
RouteFederal Lands Road 26
Coordinates47.29478, -124.06622
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating29.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length51 ft (15.5 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic375 (2021)
Projected traffic437 by 2040
Trucks30%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerBureau of Indian Affairs
Maintained byBureau of Indian Affairs
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was IRR BIA RTE 26 over North Moclips River built?

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

What condition is IRR BIA RTE 26 over North Moclips River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does IRR BIA RTE 26 over North Moclips River carry?

About 375 vehicles per day (2021 count), of which roughly 30% are trucks.

How long is IRR BIA RTE 26 over North Moclips River?

The structure is 51 ft (15.5 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns IRR BIA RTE 26 over North Moclips River?

It is owned by the Bureau of Indian Affairs.