FHWA NBI 2024 Inspection record Public-domain dataset

CRAIG FRONTAGE RD

Carrying CRAIG FRONTAGE RD over MISSOURI RIVER 054

2M NE WOLF CREEK, Lewis and Clark, Montana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Poor
20 t Inventory load rating Lower than 87% of rated Montana bridges

CRAIG FRONTAGE RD in Lewis and Clark, Montana sits above 13% of rated Montana bridges on inventory load rating (20 t), while its 1933 build year is earlier than 95% of Lewis and Clark's recorded-year cohort (200 bridges).

CRAIG FRONTAGE RD in Lewis and Clark, Montana is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1933, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure MT:L25003011+00001

PRE-1950 · STEEL · MULTI-SPAN · SUB-LED · LOCAL-ADT · STANDARD-LOAD · CAT-POOR

  • PRE-1950 Pre-1950
  • STEEL Steel
  • MULTI-SPAN 3 spans
  • SUB-LED Substructure-led
  • LOCAL-ADT Local ADT
  • STANDARD-LOAD Standard load
  • CAT-POOR Poor

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Bridge Snapshot: CRAIG FRONTAGE RD

The CRAIG FRONTAGE RD bridge in Lewis and Clark, Montana carries CRAIG FRONTAGE RD over MISSOURI RIVER 054. It was built in 1933, making it 93 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 154.5 meters (507 feet) end to end. Daily traffic averages 390 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 6/9, 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.

How CRAIG FRONTAGE RD compares

▼ 10.7
Load rating vs Montana average (30.7 t; 5,144 of 5,224 rated)
200
Bridges in Lewis and Clark · 11 in Poor condition

Age against the county: built in 1933, earlier than 189 of Lewis and Clark's 200 bridges with a recorded construction year (95%), against a county median build year of 1978. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

CRAIG FRONTAGE RD 20.0 t
Montana average (5,144 of 5,224 rated) 30.7 t

Live comparison across Montana bridges with a recorded inventory load rating (5,144 of 5,224 rated).

CRAIG FRONTAGE RD vs every rated Montana bridge

Inventory load rating (metric tons), FHWA NBI, this state

20 Top 87% higher than 13% of 5,144 bridges

rated Montana bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
20.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Lewis and Clark inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 200 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1933
Material
Steel Continuous
Number of Spans
3
Structure Length
154.5 m (507 ft)
Deck Width
6.5 m (21 ft)
Owner
State Highway Agency
Avg Daily Traffic
390 vehicles/day
Structure Number
L25003011+00001

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • The superstructure (beams and supports above the deck) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates poor at 4/9, with advanced deterioration recorded on the latest inspection.

How to read this record

CRAIG FRONTAGE RD 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 CRAIG FRONTAGE RD 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 CRAIG FRONTAGE RD?

CRAIG FRONTAGE RD in Lewis and Clark, Montana has a deck rating of 5/9, superstructure rating of 6/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CRAIG FRONTAGE RD inspected?

CRAIG FRONTAGE RD'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 390 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CRAIG FRONTAGE RD 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 CRAIG FRONTAGE RD?

CRAIG FRONTAGE RD has an NBI inventory load rating of 20.0 metric tons.

Who is responsible for maintaining CRAIG FRONTAGE RD?

CRAIG FRONTAGE RD is owned and maintained by State Highway Agency.

How old is CRAIG FRONTAGE RD and does age affect safety?

CRAIG FRONTAGE RD was built in 1933, making it 93 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

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Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.