FHWA NBI 2024 Inspection record Public-domain dataset

FOREST ROAD

Carrying FOREST ROAD over GOOD CREEK

GREGG CREEK ROAD, Flathead, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
34 t Inventory load rating

Bridge Snapshot: FOREST ROAD

The FOREST ROAD bridge in Flathead, Montana carries FOREST ROAD over GOOD CREEK. It was built in 1962, making it 64 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 10.0 meters (33 feet) end to end. Daily traffic averages 20 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by U.S. Forest Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 4/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules. Its NBI inventory load rating is 34.3 metric tons.

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

How FOREST ROAD compares

▲ 3.6
Load rating vs Montana average (30.7 t)
Top 25%
Higher load rating than 75% of Montana bridges
195
Bridges in Flathead · 9 in Poor condition
FOREST ROAD 34.3 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
59.3 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
14.3
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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
34.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1962
Material
Wood or Timber
Number of Spans
1
Structure Length
10.0 m (33 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
20 vehicles/day
Structure Number
011008000000084

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

FOREST ROAD 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 against other structures in Flathead and across Montana. Montana 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?

FOREST ROAD in Flathead, Montana has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is FOREST ROAD inspected?

FOREST 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 20 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. FOREST ROAD 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?

FOREST ROAD has an NBI inventory load rating of 34.3 metric tons.

Who is responsible for maintaining FOREST ROAD?

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

How old is FOREST ROAD and does age affect safety?

FOREST ROAD was built in 1962, making it 64 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.