US Bridges

Five Rivers RD over Alsea River

Good

Lincoln County, Oregon · At JCT ORE#34 and FAS 523 · Structure no. 12061A80701 003

Built
1959
66 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
185 ft
3 main spans
Daily traffic
396
2020 count
Owner
County
County Highway Agency

About this bridge

Five Rivers RD over Alsea River is a concrete continuous box beam or girders - multiple carrying Five Rivers RD over Alsea River in Lincoln County, Oregon. It was built in 1959, so it is 66 years old, older than the Oregon average of 49.9 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 396 vehicles a day, roughly 10% of them trucks, projected to reach 546 by 2040. The structure is 185 ft (56.4 m) long and 29 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesFive Rivers RD
CrossesAlsea River
LocationAt JCT ORE#34 and FAS 523
RouteCounty Highway 0
StateOregon
Coordinates44.35923, -123.82893
Functional classRural Major 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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating37.1 US tons
Inventory rating28.5 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 20
Structure length185 ft (56.4 m)
Longest span75 ft (22.9 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic396 (2020)
Projected traffic546 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Five Rivers RD over Alsea River built?

It was built in 1959, making it 66 years old in 2025.

What condition is Five Rivers RD over Alsea 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 September 2024.

How much traffic does Five Rivers RD over Alsea River carry?

About 396 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Five Rivers RD over Alsea River?

The structure is 185 ft (56.4 m) long with a longest span of 75 ft (22.9 m) and a deck 29 ft wide.

Who owns Five Rivers RD over Alsea River?

It is owned by the County Highway Agency.