US Bridges

Bull Run RD over Bull Run River

PoorPosted for load

Clackamas County, Oregon · 00.7 MI E of Ten Eyck RD · Structure no. 06571 002 00404

Built
1926
99 years old
Condition
Poor
inspected October 2024
Type
Truss - Thru
Steel
Length
245 ft
1 main span
Daily traffic
865
2020 count
Owner
County
County Highway Agency

About this bridge

Bull Run RD over Bull Run River is a steel truss - thru carrying Bull Run RD over Bull Run River in Clackamas County, Oregon. It was built in 1926, so it is 99 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 865 vehicles a day, roughly 4% of them trucks, projected to reach 995 by 2042. The structure is 245 ft (74.7 m) long and 27 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesBull Run RD
CrossesBull Run River
Location00.7 MI E of Ten Eyck RD
RouteCounty Highway A6440
CountyClackamas County
StateOregon
Coordinates45.42809, -122.23259
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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating6.1 US tons
Inventory rating4.6 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length245 ft (74.7 m)
Longest span240 ft (73.2 m)
Deck width27 ft (8.3 m)
Roadway width23 ft (7 m)
Vertical clearance over deck17 ft (5.3 m)

Traffic and service

Average daily traffic865 (2020)
Projected traffic995 by 2042
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Bull Run RD over Bull Run River built?

It was built in 1926, making it 99 years old in 2025.

What condition is Bull Run RD over Bull Run 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 October 2024.

How much traffic does Bull Run RD over Bull Run River carry?

About 865 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Bull Run RD over Bull Run River?

The structure is 245 ft (74.7 m) long with a longest span of 240 ft (73.2 m) and a deck 27 ft wide.

Who owns Bull Run RD over Bull Run River?

It is owned by the County Highway Agency.