US Bridges

80490 over Black River

Good

Grays Harbor County, Washington · 4KM W Lucky Eagle Casino · Structure no. 0000P06105T1635

Built
1984
41 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
209 ft
3 main spans
Daily traffic
500
2021 count
Owner
Federal
Bureau of Indian Affairs

About this bridge

80490 over Black River is a prestressed concrete stringer/multi-beam or girder carrying 80490 over Black River in Grays Harbor County, Washington. It was built in 1984, so it is 41 years old, younger 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 500 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2039. The structure is 209 ft (63.8 m) long and 31 ft wide. If it were closed, the detour would be 18.6 mi (30 km).

Carries80490
CrossesBlack River
Location4KM W Lucky Eagle Casino
RouteFederal Lands Road 80940
Coordinates46.82167, -123.20833
Functional classRural Minor Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length209 ft (63.8 m)
Longest span86 ft (26.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2021)
Projected traffic600 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18.6 mi (30 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was 80490 over Black River built?

It was built in 1984, making it 41 years old in 2025.

What condition is 80490 over Black River 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 2024.

How much traffic does 80490 over Black River carry?

About 500 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is 80490 over Black River?

The structure is 209 ft (63.8 m) long with a longest span of 86 ft (26.2 m) and a deck 31 ft wide.

Who owns 80490 over Black River?

It is owned by the Bureau of Indian Affairs.