US Bridges

Ivory Pine Road over Meryl Creek

Poor

Klamath County, Oregon · 056 MI N HWY 140 · Structure no. 35C223125700560

Built
1970
55 years old
Condition
Poor
inspected July 2023
Type
Slab
Prestressed Concrete
Length
25 ft
1 main span
Daily traffic
434
2020 count
Owner
County
County Highway Agency

About this bridge

Ivory Pine Road over Meryl Creek is a prestressed concrete slab carrying Ivory Pine Road over Meryl Creek in Klamath County, Oregon. It was built in 1970, so it is 55 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 434 vehicles a day, roughly 17% of them trucks, projected to reach 459 by 2025. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 49.7 mi (80 km).

CarriesIvory Pine Road
CrossesMeryl Creek
Location056 MI N HWY 140
RouteCounty Highway 0B314
StateOregon
Coordinates42.50936, -121.09981
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating13.2 US tons
Inventory rating10.4 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span23 ft (7 m)
Deck width32 ft (9.8 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic434 (2020)
Projected traffic459 by 2025
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed49.7 mi (80 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 Ivory Pine Road over Meryl Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is Ivory Pine Road over Meryl Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Ivory Pine Road over Meryl Creek carry?

About 434 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is Ivory Pine Road over Meryl Creek?

The structure is 25 ft (7.6 m) long with a longest span of 23 ft (7 m) and a deck 32 ft wide.

Who owns Ivory Pine Road over Meryl Creek?

It is owned by the County Highway Agency.