FHWA NBI 2024 Inspection record Public-domain dataset

NFSR 9229

Carrying NFSR 9229 over WOOD CREEK

WOOD CREEK, Lewis and Clark, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
26 t Inventory load rating

Bridge Snapshot: NFSR 9229

The NFSR 9229 bridge in Lewis and Clark, Montana carries NFSR 9229 over WOOD CREEK. It was built in 1967, making it 59 years old today. The structure is built primarily of wood or timber and spans 1 section, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 50 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 7/9, substructure at 4/9. The weakest component sits in poor 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 26.2 metric tons.

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

How NFSR 9229 compares

▼ 4.5
Load rating vs Montana average (30.7 t)
Bottom 36%
Lower load rating than 64% of Montana bridges
196
Bridges in Lewis and Clark · 9 in Poor condition
NFSR 9229 26.2 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
44.2 / 100 - historical 20–49.9 band
Structural adequacy /55
25.0
Serviceability /30
13.0
Essentiality /15
14.2
Special reductions
−7.9

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
26.2 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1967
Material
Wood or Timber
Number of Spans
1
Structure Length
8.8 m (29 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
011501000000019

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 good condition (7/9), showing no significant deterioration.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

NFSR 9229 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 NFSR 9229 against other structures in Lewis and Clark 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 NFSR 9229?

NFSR 9229 in Lewis and Clark, Montana has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is NFSR 9229 inspected?

NFSR 9229'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. NFSR 9229 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 NFSR 9229?

NFSR 9229 has an NBI inventory load rating of 26.2 metric tons.

Who is responsible for maintaining NFSR 9229?

NFSR 9229 is owned and maintained by U.S. Forest Service.

How old is NFSR 9229 and does age affect safety?

NFSR 9229 was built in 1967, making it 59 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.