FHWA NBI 2024 Inspection record Public-domain dataset

CHIEF MOUNTAIN INT

Carrying CHIEF MOUNTAIN INT over LEE CREEK

12.7 miles north of Saint, Glacier, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
22 t Inventory load rating

Bridge Snapshot: CHIEF MOUNTAIN INT

The CHIEF MOUNTAIN INT bridge in Glacier, Montana carries CHIEF MOUNTAIN INT over LEE CREEK. It was built in 1935, making it 91 years old today. It was last reconstructed in 1979, extending its service life. The structure is built primarily of steel continuous and spans 3 sections, stretching 63.9 meters (210 feet) end to end. Daily traffic averages 246 vehicles, placing it in the lower-traffic tier of Montana bridges. It is owned and maintained by National Park Service.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 6/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 21.8 metric tons.

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

How CHIEF MOUNTAIN INT compares

▼ 8.9
Load rating vs Montana average (30.7 t)
Bottom 19%
Lower load rating than 81% of Montana bridges
68
Bridges in Glacier · 4 in Poor condition
CHIEF MOUNTAIN INT 21.8 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
76.5 / 100 - historical 50–79.9 band
Structural adequacy /55
43.8
Serviceability /30
25.0
Essentiality /15
12.7
Special reductions
−5.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
21.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1935
Last Reconstructed
1979
Material
Steel Continuous
Number of Spans
3
Structure Length
63.9 m (210 ft)
Deck Width
10.2 m (33 ft)
Owner
National Park Service
Avg Daily Traffic
246 vehicles/day
Structure Number
1430032P0000000

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether CHIEF MOUNTAIN INT 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 CHIEF MOUNTAIN INT against other structures in Glacier 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 CHIEF MOUNTAIN INT?

CHIEF MOUNTAIN INT in Glacier, Montana has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is CHIEF MOUNTAIN INT inspected?

CHIEF MOUNTAIN INT'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 246 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CHIEF MOUNTAIN INT is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for CHIEF MOUNTAIN INT?

CHIEF MOUNTAIN INT has an NBI inventory load rating of 21.8 metric tons.

Who is responsible for maintaining CHIEF MOUNTAIN INT?

CHIEF MOUNTAIN INT is owned and maintained by National Park Service.

How old is CHIEF MOUNTAIN INT and does age affect safety?

CHIEF MOUNTAIN INT was built in 1935, making it 91 years old and last reconstructed in 1979.

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.