US Bridges

Grizzly Road over Higgins Creek

Fair

Jefferson County, Oregon · Unknown · Structure no. 20464 307500000

Built
2005
20 years old
Condition
Fair
inspected November 2024
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
304
2020 count
Owner
County
County Highway Agency

About this bridge

Grizzly Road over Higgins Creek is a prestressed concrete slab carrying Grizzly Road over Higgins Creek in Jefferson County, Oregon. It was built in 2005, so it is 20 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 304 vehicles a day, roughly 20% of them trucks, projected to reach 346 by 2025. The structure is 26 ft (7.8 m) long and 20 ft wide.

CarriesGrizzly Road
CrossesHiggins Creek
LocationUnknown
RouteCounty Highway 3075
StateOregon
Coordinates44.50887, -120.83159
Functional classUrban 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 protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95 US tons
Inventory rating57 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length26 ft (7.8 m)
Longest span25 ft (7.5 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic304 (2020)
Projected traffic346 by 2025
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 Grizzly Road over Higgins Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is Grizzly Road over Higgins Creek 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 November 2024.

How much traffic does Grizzly Road over Higgins Creek carry?

About 304 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is Grizzly Road over Higgins Creek?

The structure is 26 ft (7.8 m) long with a longest span of 25 ft (7.5 m) and a deck 20 ft wide.

Who owns Grizzly Road over Higgins Creek?

It is owned by the County Highway Agency.