FHWA NBI 2024 Inspection record Public-domain dataset

E CUSTER AVE

Carrying E CUSTER AVE over HELENA VALLEY CANAL

HELENA-E CUSTER AVE, Lewis and Clark, Montana

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
45 t Inventory load rating Higher than 92% of rated Montana bridges

E CUSTER AVE in Lewis and Clark, Montana sits above 92% of rated Montana bridges on inventory load rating (45 t), while its 2012 build year is earlier than 10% of Lewis and Clark's recorded-year cohort (200 bridges).

E CUSTER AVE in Lewis and Clark, Montana is rated Good in the FHWA's 2024 National Bridge Inventory. Built in 2012, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good 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:U05802003+02961

POST-2000 · PRESTRESS · SINGLE-SPAN · TIED-CTRL · HEAVY-ADT · HEAVY-LOAD · CAT-GOOD

  • POST-2000 2000+
  • PRESTRESS Prestressed concrete
  • SINGLE-SPAN Single span
  • TIED-CTRL Tied control
  • HEAVY-ADT Heavy ADT
  • HEAVY-LOAD Heavy load
  • CAT-GOOD Good

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: E CUSTER AVE

The E CUSTER AVE bridge in Lewis and Clark, Montana carries E CUSTER AVE over HELENA VALLEY CANAL. It was built in 2012, making it 14 years old today. The structure is built primarily of prestressed concrete and spans 1 section, stretching 15.4 meters (51 feet) end to end. Daily traffic averages 13,133 vehicles, placing it in the heavily-trafficked tier of Montana bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds.

How E CUSTER AVE compares

▲ 13.8
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 2012, earlier than 20 of Lewis and Clark's 200 bridges with a recorded construction year (10%), against a county median build year of 1978. This is one of the newer structures in its county.

E CUSTER AVE 44.5 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).

E CUSTER AVE vs every rated Montana bridge

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

45 Top 8% higher than 92% 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
7/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
44.5 t
NBI inventory level (metric tons)
Overall Condition
Good

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
2012
Material
Prestressed Concrete
Number of Spans
1
Structure Length
15.4 m (51 ft)
Deck Width
26.4 m (87 ft)
Owner
State Highway Agency
Avg Daily Traffic
13,133 vehicles/day
Structure Number
U05802003+02961

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) rates good at 8/9, with no significant deterioration on file.
  • The substructure (piers and abutments) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether E CUSTER AVE 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 E CUSTER AVE 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 E CUSTER AVE?

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

How often is E CUSTER AVE inspected?

E CUSTER AVE'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 13,133 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. E CUSTER AVE 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 E CUSTER AVE?

E CUSTER AVE has an NBI inventory load rating of 44.5 metric tons.

Who is responsible for maintaining E CUSTER AVE?

E CUSTER AVE is owned and maintained by State Highway Agency.

How old is E CUSTER AVE and does age affect safety?

E CUSTER AVE was built in 2012, making it 14 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.