US Bridges

I-84 Frontage RD over UPRR and Meacham Crk

PoorPosted for load

Umatilla County, Oregon · 3.4 Mi. W Blue Mtn Summit · Structure no. 00447 006F23945

Built
1925
100 years old
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
327 ft
8 main spans
Daily traffic
115
2022 count
Owner
State
State Highway Agency

About this bridge

I-84 Frontage RD over UPRR and Meacham Crk is a concrete continuous tee beam carrying I-84 Frontage RD over UPRR and Meacham Crk in Umatilla County, Oregon. It was built in 1925, so it is 100 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. Its operating status is: posted for load restriction.

It carries about 115 vehicles a day, roughly 36% of them trucks, projected to reach 100 by 2030. The structure is 327 ft (99.7 m) long and 23 ft wide. If it were closed, the detour would be 33.6 mi (54 km).

CarriesI-84 Frontage RD
CrossesUPRR and Meacham Crk
Location3.4 Mi. W Blue Mtn Summit
RouteFederal Lands Road 84
StateOregon
Coordinates45.50365, -118.42201
Functional classRural Minor 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
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 inspectionApril 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be 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 rating20.7 US tons
Inventory rating16.1 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length327 ft (99.7 m)
Longest span58 ft (17.7 m)
Deck width23 ft (6.9 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2022)
Projected traffic100 by 2030
Trucks36%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad and waterway
Detour if closed33.6 mi (54 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was I-84 Frontage RD over UPRR and Meacham Crk built?

It was built in 1925, making it 100 years old in 2025.

What condition is I-84 Frontage RD over UPRR and Meacham Crk 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 April 2024.

How much traffic does I-84 Frontage RD over UPRR and Meacham Crk carry?

About 115 vehicles per day (2022 count), of which roughly 36% are trucks.

How long is I-84 Frontage RD over UPRR and Meacham Crk?

The structure is 327 ft (99.7 m) long with a longest span of 58 ft (17.7 m) and a deck 23 ft wide.

Who owns I-84 Frontage RD over UPRR and Meacham Crk?

It is owned by the State Highway Agency.