US Bridges

Agate RD over Hog Creek

FairPosted for load

Jackson County, Oregon · 5.8 MI North of JCT 867 · Structure no. 029C8 515 00666

Built
1959
66 years old, rebuilt 1992
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
40 ft
1 main span
Daily traffic
1,639
2020 count
Owner
County
County Highway Agency

About this bridge

Agate RD over Hog Creek is a concrete culvert carrying Agate RD over Hog Creek in Jackson County, Oregon. It was built in 1959 and reconstructed in 1992, 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 fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,639 vehicles a day, roughly 10% of them trucks, projected to reach 1,914 by 2025. The structure is 40 ft (12.2 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesAgate RD
CrossesHog Creek
Location5.8 MI North of JCT 867
RouteCounty Highway 0A361
CountyJackson County
StateOregon
Coordinates42.50924, -122.83948
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating27 US tons
Inventory rating20.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length40 ft (12.2 m)
Longest span26 ft (8 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,639 (2020)
Projected traffic1,914 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Agate RD over Hog Creek built?

It was built in 1959, making it 66 years old in 2025. It was reconstructed in 1992.

What condition is Agate RD over Hog 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 June 2023.

How much traffic does Agate RD over Hog Creek carry?

About 1,639 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Agate RD over Hog Creek?

The structure is 40 ft (12.2 m) long with a longest span of 26 ft (8 m) and a deck 36 ft wide.

Who owns Agate RD over Hog Creek?

It is owned by the County Highway Agency.