US Bridges

US 30 (hwy 449) over Burnt River (lime)

FairPosted for load

Baker County, Oregon · 0.5 Mi. S. Jct. I-84 · Structure no. 01788 449 00046

Built
1934
91 years old, rebuilt 2011
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
1 main span
Daily traffic
50
2022 count
Owner
State
State Highway Agency

About this bridge

US 30 (hwy 449) over Burnt River (lime) is a steel stringer/multi-beam or girder carrying US 30 (hwy 449) over Burnt River (lime) in Baker County, Oregon. It was built in 1934 and reconstructed in 2011, so it is 91 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 6 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 50 vehicles a day, roughly 18% of them trucks, projected to reach 60 by 2042. The structure is 123 ft (37.5 m) long and 26 ft wide. If it were closed, the detour would be 70.8 mi (114 km).

Location

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CarriesUS 30 (hwy 449)
CrossesBurnt River (lime)
Location0.5 Mi. S. Jct. I-84
RouteU.S. Route 30
CountyBaker County
StateOregon
Coordinates44.41079, -117.30805
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadH 15
Structure length123 ft (37.5 m)
Longest span60 ft (18.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2022)
Projected traffic60 by 2042
Trucks18%
Lanes on structure2
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed70.8 mi (114 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 30 (hwy 449) over Burnt River (lime) built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2011.

What condition is US 30 (hwy 449) over Burnt River (lime) 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 April 2024.

How much traffic does US 30 (hwy 449) over Burnt River (lime) carry?

About 50 vehicles per day (2022 count), of which roughly 18% are trucks.

How long is US 30 (hwy 449) over Burnt River (lime)?

The structure is 123 ft (37.5 m) long with a longest span of 60 ft (18.3 m) and a deck 26 ft wide.

Who owns US 30 (hwy 449) over Burnt River (lime)?

It is owned by the State Highway Agency.