US Bridges

Or 53 (hwy 46) over Jack Horner Creek

FairPosted for load

Clatsop County, Oregon · 030 MI SW Summit · Structure no. 03088 046 00598

Built
1951
74 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
76 ft
4 main spans
Daily traffic
452
2022 count
Owner
State
State Highway Agency

About this bridge

Or 53 (hwy 46) over Jack Horner Creek is a wood or timber stringer/multi-beam or girder carrying Or 53 (hwy 46) over Jack Horner Creek in Clatsop County, Oregon. It was built in 1951, so it is 74 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 452 vehicles a day, roughly 24% of them trucks, projected to reach 480 by 2042. The structure is 76 ft (23.2 m) long and 24 ft wide. If it were closed, the detour would be 7.5 mi (12 km).

Location

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CarriesOr 53 (hwy 46)
CrossesJack Horner Creek
Location030 MI SW Summit
RouteState Highway 53
CountyClatsop County
StateOregon
Coordinates45.83261, -123.77602
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.3 US tons
Inventory rating17.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span19 ft (5.8 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic452 (2022)
Projected traffic480 by 2042
Trucks24%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed7.5 mi (12 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 53 (hwy 46) over Jack Horner Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is Or 53 (hwy 46) over Jack Horner 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 May 2023.

How much traffic does Or 53 (hwy 46) over Jack Horner Creek carry?

About 452 vehicles per day (2022 count), of which roughly 24% are trucks.

How long is Or 53 (hwy 46) over Jack Horner Creek?

The structure is 76 ft (23.2 m) long with a longest span of 19 ft (5.8 m) and a deck 24 ft wide.

Who owns Or 53 (hwy 46) over Jack Horner Creek?

It is owned by the State Highway Agency.