US Bridges

Troyer Road over Pine Creek

Fair

Umatilla County, Oregon · 0.4 MI W of Umapine Road · Structure no. 59C532070400036

Built
1971
54 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
112
2020 count
Owner
County
County Highway Agency

About this bridge

Troyer Road over Pine Creek is a steel stringer/multi-beam or girder carrying Troyer Road over Pine Creek in Umatilla County, Oregon. It was built in 1971, so it is 54 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.

It carries about 112 vehicles a day, roughly 10% of them trucks, projected to reach 122 by 2025. The structure is 41 ft (12.5 m) long and 24 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesTroyer Road
CrossesPine Creek
Location0.4 MI W of Umapine Road
RouteCounty Highway 0
StateOregon
Coordinates45.97677, -118.53872
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating47.8 US tons
Inventory rating36.8 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadHS 25 or greater
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2020)
Projected traffic122 by 2025
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$272,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Troyer Road over Pine Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is Troyer Road over Pine 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 July 2023.

How much traffic does Troyer Road over Pine Creek carry?

About 112 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Troyer Road over Pine Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Troyer Road over Pine Creek?

It is owned by the County Highway Agency.