BARLOW TRAIL RD
BARLOW TRAIL RD in 4.0 MI W Of Lolo Pass RD, Clackamas County, Oregon received a condition grade of B (65/100). Built in 1965, the bridge carries 166K vehicles daily on BARLOW TRAIL RD over Hackett Creek.
BARLOW TRAIL RD carries a B on the BridgeSafety Condition Score with 65/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1965 and is now 61 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. BARLOW TRAIL RD carries an average daily traffic count of 165,900 vehicles, with 2 lane(s) crossing Hackett Creek. The owning agency is County Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
BARLOW TRAIL RD is a 61-year-old bridge located 4.0 MI W Of Lolo Pass RD in Clackamas County, Oregon. The bridge carries BARLOW TRAIL RD over Hackett Creek with 2 traffic lanes, handling approximately 166K vehicles per day. Built in 1965, the structure spans 9 meters.
The bridge received a Condition Grade of B (65/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 7/9 (good), and substructure 5/9 (fair).
This bridge is owned and maintained by County Highway Agency.
Location Map
Frequently Asked Questions
BARLOW TRAIL RD has a Condition Score of 65/100 (Grade B). Its deck is rated 7/9, superstructure 7/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
BARLOW TRAIL RD was built in 1965, making it 61 years old. The average bridge age in the United States is 48 years.
BARLOW TRAIL RD carries approximately 166K vehicles per day (average daily traffic). The bridge has 2 traffic lanes. It is 9 meters long and located on BARLOW TRAIL RD in 4.0 MI W Of Lolo Pass RD, Clackamas County, Oregon.
No, BARLOW TRAIL RD is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
BARLOW TRAIL RD is located 4.0 MI W Of Lolo Pass RD in Clackamas County, Oregon. The bridge carries BARLOW TRAIL RD over Hackett Creek. Its coordinates are 45.374531, -122.003331. It is maintained by County Highway Agency.
BARLOW TRAIL RD carries BARLOW TRAIL RD over Hackett Creek. The bridge is 9 meters long and was built in 1965.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.