FHWA NBI 2024 Inspection record Public-domain dataset

Flat Creek Road

Carrying Flat Creek Road over JOHN DAY RIVER (ODFW)

0.2 Mi. S of US 26 MP 136, Grant, Oregon

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
28 t Inventory load rating

Bridge Snapshot: Flat Creek Road

The Flat Creek Road bridge in Grant, Oregon carries Flat Creek Road over JOHN DAY RIVER (ODFW). It was built in 2005, making it 21 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 33.2 meters (109 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Oregon bridges. It is owned and maintained by Other State Agencies.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 28.1 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How Flat Creek Road compares

▼ 4.2
Load rating vs Oregon average (32.3 t)
Bottom 44%
Lower load rating than 56% of Oregon bridges
144
Bridges in Grant · 8 in Poor condition
Flat Creek Road 28.1 t
Oregon average 32.3 t

Live comparison across Oregon.

Historical Sufficiency Rating

PlainBridge-computed
86.1 / 100 - historical 80–100 band
Structural adequacy /55
52.1
Serviceability /30
20.0
Essentiality /15
15.0
Special reductions
−1.0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
28.1 t
NBI inventory level (metric tons)
Overall Condition
Good

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
2005
Material
Prestressed Concrete
Number of Spans
1
Structure Length
33.2 m (109 ft)
Deck Width
4.9 m (16 ft)
Owner
Other State Agencies
Avg Daily Traffic
50 vehicles/day
Structure Number
21269 000000000

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 good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether Flat Creek Road 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 Flat Creek Road 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 Flat Creek Road?

Flat Creek Road in Grant, Oregon has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is Flat Creek Road inspected?

Flat Creek Road'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 50 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. Flat Creek Road is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for Flat Creek Road?

Flat Creek Road has an NBI inventory load rating of 28.1 metric tons.

Who is responsible for maintaining Flat Creek Road?

Flat Creek Road is owned and maintained by Other State Agencies.

How old is Flat Creek Road and does age affect safety?

Flat Creek Road was built in 2005, making it 21 years old.

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.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

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.