FHWA NBI 2024 Inspection record Public-domain dataset

FOREST ROAD 651

Carrying FOREST ROAD 651 over SELWAY RIVER-OHARA

7 MI. FROM LOWELL, ID, Idaho, Idaho

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
22 t Inventory load rating

Bridge Snapshot: FOREST ROAD 651

The FOREST ROAD 651 bridge in Idaho, Idaho carries FOREST ROAD 651 over SELWAY RIVER-OHARA. It was built in 1956, making it 70 years old today. It was last reconstructed in 1994, extending its service life. The structure is built primarily of steel and spans 3 sections, stretching 107.0 meters (351 feet) end to end. Daily traffic averages 50 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 2/9. The weakest component sits in critical condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 21.7 metric tons.

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

How FOREST ROAD 651 compares

▼ 9.6
Load rating vs Idaho average (31.3 t)
Bottom 25%
Lower load rating than 75% of Idaho bridges
130
Bridges in Idaho · 10 in Poor condition
FOREST ROAD 651 21.7 t
Idaho average 31.3 t

Live comparison across Idaho.

Historical Sufficiency Rating

PlainBridge-computed
23.3 / 100 - historical 20–49.9 band
Structural adequacy /55
0.0
Serviceability /30
8.3
Essentiality /15
15.0
Special reductions
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 How the historical reference is calculated.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
2/9
Poor (1–4)
Inventory Load Rating
21.7 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1956
Last Reconstructed
1994
Material
Steel
Number of Spans
3
Structure Length
107.0 m (351 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
011707000000091

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • 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 critical condition (2/9), with severe deterioration requiring urgent attention.

How to read this record

FOREST ROAD 651 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare FOREST ROAD 651 against other structures in Idaho and across Idaho. Idaho 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 FOREST ROAD 651?

FOREST ROAD 651 in Idaho, Idaho has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 2/9 on the FHWA's 0–9 scale.

How often is FOREST ROAD 651 inspected?

FOREST ROAD 651'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. FOREST ROAD 651 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for FOREST ROAD 651?

FOREST ROAD 651 has an NBI inventory load rating of 21.7 metric tons.

Who is responsible for maintaining FOREST ROAD 651?

FOREST ROAD 651 is owned and maintained by U.S. Forest Service.

How old is FOREST ROAD 651 and does age affect safety?

FOREST ROAD 651 was built in 1956, making it 70 years old and last reconstructed in 1994.

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.