US Bridges

Or 99 (hwy 063) over Ashland Creek

Fair

Jackson County, Oregon · 018 MI N Ashland Scl · Structure no. 0M274 063 01909

Built
1911
114 years old
Condition
Fair
inspected October 2024
Type
Arch - Deck
Concrete
Length
23 ft
1 main span
Daily traffic
9,979
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99 (hwy 063) over Ashland Creek is a concrete arch - deck carrying Or 99 (hwy 063) over Ashland Creek in Jackson County, Oregon. It was built in 1911, so it is 114 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.

It carries about 9,979 vehicles a day, roughly 1% of them trucks, projected to reach 12,200 by 2042. The structure is 23 ft (7.1 m) long and 62 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesOr 99 (hwy 063)
CrossesAshland Creek
Location018 MI N Ashland Scl
RouteState Highway 99
StateOregon
Coordinates42.19819, -122.71579
Functional classUrban Other Principal Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.9 US tons
Inventory rating76.1 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length23 ft (7.1 m)
Longest span19 ft (5.8 m)
Deck width62 ft (18.9 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,979 (2022)
Projected traffic12,200 by 2042
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$380,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99 (hwy 063) over Ashland Creek built?

It was built in 1911, making it 114 years old in 2025.

What condition is Or 99 (hwy 063) over Ashland 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 October 2024.

How much traffic does Or 99 (hwy 063) over Ashland Creek carry?

About 9,979 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is Or 99 (hwy 063) over Ashland Creek?

The structure is 23 ft (7.1 m) long with a longest span of 19 ft (5.8 m) and a deck 62 ft wide.

Who owns Or 99 (hwy 063) over Ashland Creek?

It is owned by the State Highway Agency.