US Bridges

Spruce Street over So. Fork Coquille River

Fair

Coos County, Oregon · 130 MI S FAS 825 JCT · Structure no. 18136 000 01304

Built
1997
28 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
538 ft
3 main spans
Daily traffic
3,368
2020 count
Owner
County
County Highway Agency

About this bridge

Spruce Street over So. Fork Coquille River is a prestressed concrete continuous stringer/multi-beam or girder carrying Spruce Street over So. Fork Coquille River in Coos County, Oregon. It was built in 1997, so it is 28 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 3,368 vehicles a day, roughly 10% of them trucks, projected to reach 3,808 by 2025. The structure is 538 ft (164 m) long and 46 ft wide. If it were closed, the detour would be 12.4 mi (20 km).

CarriesSpruce Street
CrossesSo. Fork Coquille River
Location130 MI S FAS 825 JCT
RouteCounty Highway 0A417
StateOregon
Coordinates43.06577, -124.14751
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 rating24.3 US tons
Inventory rating18.5 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 25 or greater
Structure length538 ft (164 m)
Longest span220 ft (67.1 m)
Deck width46 ft (14 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,368 (2020)
Projected traffic3,808 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
Detour if closed12.4 mi (20 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway 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 Spruce Street over So. Fork Coquille River built?

It was built in 1997, making it 28 years old in 2025.

What condition is Spruce Street over So. Fork Coquille 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 Spruce Street over So. Fork Coquille River carry?

About 3,368 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Spruce Street over So. Fork Coquille River?

The structure is 538 ft (164 m) long with a longest span of 220 ft (67.1 m) and a deck 46 ft wide.

Who owns Spruce Street over So. Fork Coquille River?

It is owned by the County Highway Agency.