US Bridges

Emerson Roberts RD over Fifteenmile Creek

PoorPosted for load

Wasco County, Oregon · At Emerson · Structure no. 15702 005 00201

Built
1958
67 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
76 ft
2 main spans
Daily traffic
30
2020 count
Owner
County
County Highway Agency

About this bridge

Emerson Roberts RD over Fifteenmile Creek is a wood or timber stringer/multi-beam or girder carrying Emerson Roberts RD over Fifteenmile Creek in Wasco County, Oregon. It was built in 1958, so it is 67 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 30 vehicles a day, projected to reach 35 by 2025. The structure is 76 ft (23.2 m) long and 22 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesEmerson Roberts RD
CrossesFifteenmile Creek
LocationAt Emerson
RouteCounty Highway 0
StateOregon
Coordinates45.54533, -120.98002
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating15.8 US tons
Inventory rating12.1 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans2 (+1 approach)
Design loadH 15
Structure length76 ft (23.2 m)
Longest span29 ft (8.8 m)
Deck width22 ft (6.7 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2020)
Projected traffic35 by 2025
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Emerson Roberts RD over Fifteenmile Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Emerson Roberts RD over Fifteenmile 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 August 2024.

How much traffic does Emerson Roberts RD over Fifteenmile Creek carry?

About 30 vehicles per day (2020 count).

How long is Emerson Roberts RD over Fifteenmile Creek?

The structure is 76 ft (23.2 m) long with a longest span of 29 ft (8.8 m) and a deck 22 ft wide.

Who owns Emerson Roberts RD over Fifteenmile Creek?

It is owned by the County Highway Agency.