US Bridges

HWY 8000 over W. Fk. Millicoma River

Fair

Coos County, Oregon · At HWY 8000/7600 Split · Structure no. 20891 000 00000

Built
2006
19 years old
Condition
Fair
inspected September 2024
Type
Slab
Prestressed Concrete
Length
62 ft
1 main span
Daily traffic
10
2010 count
Owner
State
State Park, Forest, or Reservation Agency

About this bridge

HWY 8000 over W. Fk. Millicoma River is a prestressed concrete slab carrying HWY 8000 over W. Fk. Millicoma River in Coos County, Oregon. It was built in 2006, so it is 19 years old, younger than the Oregon average of 49.9 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 12 by 2030. The structure is 62 ft (18.9 m) long and 16 ft wide.

CarriesHWY 8000
CrossesW. Fk. Millicoma River
LocationAt HWY 8000/7600 Split
RouteState Lands Road 0
StateOregon
Coordinates43.57578, -123.89809
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating46.1 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span62 ft (18.9 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2010)
Projected traffic12 by 2030
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Park, Forest, or Reservation Agency
Maintained byState Park, Forest, or Reservation Agency
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 HWY 8000 over W. Fk. Millicoma River built?

It was built in 2006, making it 19 years old in 2025.

What condition is HWY 8000 over W. Fk. Millicoma 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 September 2024.

How much traffic does HWY 8000 over W. Fk. Millicoma River carry?

About 10 vehicles per day (2010 count), of which roughly 1% are trucks.

How long is HWY 8000 over W. Fk. Millicoma River?

The structure is 62 ft (18.9 m) long with a longest span of 62 ft (18.9 m) and a deck 16 ft wide.

Who owns HWY 8000 over W. Fk. Millicoma River?

It is owned by the State Park, Forest, or Reservation Agency.