US Bridges

Higbee Road over Santiam Oflow

Fair

Linn County, Oregon · S of Santiam River · Structure no. 18812 705 00000

Built
2000
25 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
198 ft
5 main spans
Daily traffic
41
2021 count
Owner
County
County Highway Agency

About this bridge

Higbee Road over Santiam Oflow is a concrete continuous slab carrying Higbee Road over Santiam Oflow in Linn County, Oregon. It was built in 2000, so it is 25 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 41 vehicles a day, roughly 1% of them trucks, projected to reach 134 by 2041. The structure is 198 ft (60.2 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesHigbee Road
CrossesSantiam Oflow
LocationS of Santiam River
RouteCounty Highway 0
StateOregon
Coordinates44.72498, -123.05108
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
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 inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
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 rating44 US tons
Inventory rating34 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHL 93
Structure length198 ft (60.2 m)
Longest span39 ft (12 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41 (2021)
Projected traffic134 by 2041
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed123.7 mi (199 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 Higbee Road over Santiam Oflow built?

It was built in 2000, making it 25 years old in 2025.

What condition is Higbee Road over Santiam Oflow 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 October 2024.

How much traffic does Higbee Road over Santiam Oflow carry?

About 41 vehicles per day (2021 count), of which roughly 1% are trucks.

How long is Higbee Road over Santiam Oflow?

The structure is 198 ft (60.2 m) long with a longest span of 39 ft (12 m) and a deck 24 ft wide.

Who owns Higbee Road over Santiam Oflow?

It is owned by the County Highway Agency.