Translate
The Bull Run Bridge is closed to all traffic weighing over 12 tons. Special use permits for heavy loads will not be approved.
The Bull Run River Bridge crosses the Bull Run River north of the Sandy area. The portion of the bridge above the foundation (superstructure) is more than 126 years old and comes from a span of Portland’s Burnside Bridge that was constructed in 1894. The Bull Run Bridge section was moved to its current location in 1926.
The bridge is nearing the end of its useful life and requires increasingly expensive repair and maintenance projects in order to keep it open. In 2021 truck weight restrictions were placed on the bridge and the bridge’s roadway was reduced to one lane in order to preserve its remaining life. This is a critical access point for the City of Portland’s water system that supplies water to much of the Portland area.
It is anticipated a new Bull Run River Bridge would be constructed next to the current structure.
30% design is complete; design and right-of-way acquisition are fully funded.
Updated: March 21, 2024
Why
To remove weight restrictions for trucks and to ensure connections exist for emergency response, access for timber industry, Portland Water Bureau and residents of an isolated rural area.
Schedule
We anticipate the schedule as follows:
- Design: July 2024 - October 2026
- Right of way: May 2025 - May 2026
- Construction: Spring 2027 - Fall 2028 (dependent on future grant funding)
Background
The Bull Run Bridge was originally constructed in 1894 as part of the Burnside Bridge over the Willamette River in downtown Portland, and was moved to its current location in 1926. The Bull Run Bridge crosses the Bull Run River and is a key access point to the Bull Run Reservoirs, which provide clean water to over 1 million customers in the Portland area.
Further deterioration of the structure could require the bridge to be closed to all traffic in the next five to 10 years if it is not replaced. A closure would require residents, businesses and emergency services to use a lengthy detour route to reach homes and businesses in the Bull Run River watershed.
A recent inspection of the bridge by the Oregon Department of Transportation (ODOT) identified some components in worse condition compared to the prior inspection. ODOT developed a new load rating for the bridge based on the latest conditions of the bridge, which resulted in new weight restrictions.
Over time, the natural processes of deterioration and constant use take their toll on bridges and can leave a bridge with less capacity than when it was originally designed and built. Also, the size and weight of freight and emergency vehicles has been increasing steadily. Because most of Oregon’s bridges were not designed for current vehicle sizes and weights, many of our aging bridges cannot safely carry all modern loads. These bridges must be posted to limit traffic to the loads they can safely carry without impairing structure or safety.
Navigating the weight restrictions for commercial freight businesses
While this closure to vehicles over 12 tons is resulting in much longer travel times, it is necessary to maintain critical access for community members’ daily and recreational use, and for emergency services. Therefore, we can no longer provide special use permits for heavy loads due to the declining condition of the bridge.
Trucks and other vehicles that weigh over 12 tons must travel on Gordon Creek Road in Multnomah County, which also has two bridges with weight restrictions for certain types of vehicles. Multnomah County bridge information.
Read frequently asked questions
Funding secured for design and right of way costs
On May 10, 2023 our board approved staff to formally request the reallocation of previously awarded design funding from Dodge Park Bridge to Bull Run Bridge from the Local Agency Bridge Selection Committee, a statewide committee under ODOT’s purview. This group determines how federal funding in the state will be spent for local bridges based on performance scores.
To date, the county has invested funds to do 30% design analysis (a type, size, location and cost study) which has shaved off about a year of design work. These new funds will allow us to fund the entire design and acquire right of way needed for the eventual construction of the new bridge. Although the county has applied to seven grants between 2018-2022 and none were awarded, this commitment for the full design has put us in a better position to acquire funding for construction through future grant dollars.
Funding
- Total project estimate: $20 million
- $2 million funded for design and right of way work from Oregon Local Agency Bridge Selection Committee (LABSC), plus a local match for $205,700 from the Road Fund.
- Additional funding for construction has not yet been secured, other than the future county funding match. The county will continue to apply for grant funds. There is also a chance that, in the 2027-30 funding cycle, the LABSC will provide funds to construct the bridge, although there’s only a total of $16 million per year for similar bridges statewide in this fund. The county is also talking with the City of Portland and Portland Water Bureau about the need to replace the Bull Run Bridge, and they have expressed interest in supporting the project.
