US Bridges

Or 99 (hwy 271) over Sardine Creek

Good

Jackson County, Oregon · 01.1 MI S HWY 060 JCT · Structure no. 01937 271 00080

Built
1938
87 years old
Condition
Good
inspected August 2023
Type
Tee Beam
Concrete Continuous
Length
130 ft
3 main spans
Daily traffic
2,931
2022 count
Owner
State
State Highway Agency

About this bridge

Or 99 (hwy 271) over Sardine Creek is a concrete continuous tee beam carrying Or 99 (hwy 271) over Sardine Creek in Jackson County, Oregon. It was built in 1938, so it is 87 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 2,931 vehicles a day, roughly 11% of them trucks, projected to reach 3,000 by 2042. The structure is 130 ft (39.6 m) long and 35 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

CarriesOr 99 (hwy 271)
CrossesSardine Creek
Location01.1 MI S HWY 060 JCT
RouteState Highway 99
StateOregon
Coordinates42.43642, -123.07831
Functional classRural Minor Arterial

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 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 rating28.2 US tons
Inventory rating21.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length130 ft (39.6 m)
Longest span50 ft (15.2 m)
Deck width35 ft (10.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,931 (2022)
Projected traffic3,000 by 2042
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$666,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 99 (hwy 271) over Sardine Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Or 99 (hwy 271) over Sardine Creek 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 August 2023.

How much traffic does Or 99 (hwy 271) over Sardine Creek carry?

About 2,931 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is Or 99 (hwy 271) over Sardine Creek?

The structure is 130 ft (39.6 m) long with a longest span of 50 ft (15.2 m) and a deck 35 ft wide.

Who owns Or 99 (hwy 271) over Sardine Creek?

It is owned by the State Highway Agency.