US Bridges

Milton Cemetery RD over Walla Walla River

PoorPosted for load

Umatilla County, Oregon · 0.2 MI E of HWY 11 · Structure no. 59C440056400020

Built
1961
64 years old
Condition
Poor
inspected July 2024
Type
Girder and Floorbeam System
Steel
Length
151 ft
1 main span
Daily traffic
281
2020 count
Owner
County
County Highway Agency

About this bridge

Milton Cemetery RD over Walla Walla River is a steel girder and floorbeam system carrying Milton Cemetery RD over Walla Walla River in Umatilla County, Oregon. It was built in 1961, so it is 64 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 2 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 281 vehicles a day, roughly 10% of them trucks, projected to reach 321 by 2025. The structure is 151 ft (46 m) long and 27 ft wide.

CarriesMilton Cemetery RD
CrossesWalla Walla River
Location0.2 MI E of HWY 11
RouteCounty Highway 0
StateOregon
Coordinates45.92808, -118.379
Functional classUrban 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.
Substructure2 CriticalAdvanced deterioration of primary structural elements. Bridge may be closed until corrective action is taken.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating6.5 US tons
Inventory rating5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadHS 20
Structure length151 ft (46 m)
Longest span133 ft (40.5 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic281 (2020)
Projected traffic321 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$884,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Milton Cemetery RD over Walla Walla River built?

It was built in 1961, making it 64 years old in 2025.

What condition is Milton Cemetery RD over Walla Walla River 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 2024.

How much traffic does Milton Cemetery RD over Walla Walla River carry?

About 281 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Milton Cemetery RD over Walla Walla River?

The structure is 151 ft (46 m) long with a longest span of 133 ft (40.5 m) and a deck 27 ft wide.

Who owns Milton Cemetery RD over Walla Walla River?

It is owned by the County Highway Agency.