FHWA NBI 2024 Inspection record Public-domain dataset

NFSR 233

Carrying NFSR 233 over WILLOW CREEK

LITTLE WILLOW CREEK, Lewis and Clark, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
21 t Inventory load rating

Bridge Snapshot: NFSR 233

The NFSR 233 bridge in Lewis and Clark, Montana carries NFSR 233 over WILLOW CREEK. It was built in 2004, making it 22 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 17.0 meters (56 feet) end to end. Daily traffic averages 26 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 7/9, superstructure at 8/9, substructure at 8/9. 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 20.7 metric tons.

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

How NFSR 233 compares

▼ 10.0
Load rating vs Montana average (30.7 t)
Bottom 16%
Lower load rating than 84% of Montana bridges
196
Bridges in Lewis and Clark · 9 in Poor condition
NFSR 233 20.7 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
66.8 / 100 - historical 50–79.9 band
Structural adequacy /55
42.0
Serviceability /30
15.0
Essentiality /15
14.7
Special reductions
−4.9

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
8/9
Good (7–9)
Inventory Load Rating
20.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
2004
Material
Prestressed Concrete
Number of Spans
1
Structure Length
17.0 m (56 ft)
Deck Width
5.0 m (16 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
26 vehicles/day
Structure Number
011501000000079

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) rates good at 8/9, with no significant deterioration on file.
  • At 8/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether NFSR 233 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 NFSR 233 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 233?

NFSR 233 in Lewis and Clark, Montana has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 8/9 on the FHWA's 0–9 scale.

How often is NFSR 233 inspected?

NFSR 233'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 26 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. NFSR 233 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 NFSR 233?

NFSR 233 has an NBI inventory load rating of 20.7 metric tons.

Who is responsible for maintaining NFSR 233?

NFSR 233 is owned and maintained by U.S. Forest Service.

How old is NFSR 233 and does age affect safety?

NFSR 233 was built in 2004, making it 22 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.