C15-LONG CREEK RD
Carrying C15-LONG CREEK RD over N.FORK JOHN DAY RIVER
26.0 MI NW JCT US 395, Grant, Oregon
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: C15-LONG CREEK RD
The C15-LONG CREEK RD bridge in Grant, Oregon carries C15-LONG CREEK RD over N.FORK JOHN DAY RIVER. It was built in 1899, making it 127 years old today. It was last reconstructed in 1982, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 59.1 meters (194 feet) end to end. Daily traffic averages 132 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by County Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 60.8 metric tons.
Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.
How C15-LONG CREEK RD compares
Live comparison across Oregon.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 1899
- Last Reconstructed
- 1982
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 59.1 m (194 ft)
- Deck Width
- 4.9 m (16 ft)
- Owner
- County Highway Agency
- Avg Daily Traffic
- 132 vehicles/day
- Structure Number
- 23C151015 02602
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
- • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
How to read this record
This page shows what the last federal inspection recorded, not whether C15-LONG CREEK RD is safe to cross today. Here is how to use it.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Learn how the 0–9 condition scale and Good/Fair/Poor categories are defined. How condition ratings work
- Compare C15-LONG CREEK RD against other structures in Grant and across Oregon. Oregon bridges
- Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge
Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.
Frequently Asked Questions
What do the condition ratings mean for C15-LONG CREEK RD?
C15-LONG CREEK RD in Grant, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.
How often is C15-LONG CREEK RD inspected?
C15-LONG CREEK RD's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 132 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. C15-LONG CREEK RD is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for C15-LONG CREEK RD?
C15-LONG CREEK RD has an NBI inventory load rating of 60.8 metric tons.
Who is responsible for maintaining C15-LONG CREEK RD?
C15-LONG CREEK RD is owned and maintained by County Highway Agency.
How old is C15-LONG CREEK RD and does age affect safety?
C15-LONG CREEK RD was built in 1899, making it 127 years old and last reconstructed in 1982.
Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.
Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.