FHWA NBI 2024 Inspection record Public-domain dataset

WAHLQUIST BR ROAD

Carrying WAHLQUIST BR ROAD over ROCK CREEK

AMBROSE ROCK CR, Missoula, Montana

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: WAHLQUIST BR ROAD

The WAHLQUIST BR ROAD bridge in Missoula, Montana carries WAHLQUIST BR ROAD over ROCK CREEK. It was built in 1961, making it 65 years old today. The structure is built primarily of wood or timber and spans 3 sections, stretching 36.5 meters (120 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 5/9, superstructure at 4/9, 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 23.3 metric tons.

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

How WAHLQUIST BR ROAD compares

▼ 7.4
Load rating vs Montana average (30.7 t)
Bottom 24%
Lower load rating than 76% of Montana bridges
205
Bridges in Missoula · 15 in Poor condition
WAHLQUIST BR ROAD 23.3 t
Montana average 30.7 t

Live comparison across Montana.

Historical Sufficiency Rating

PlainBridge-computed
48.4 / 100 - historical 20–49.9 band
Structural adequacy /55
21.1
Serviceability /30
13.3
Essentiality /15
14.1
Special reductions
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
23.3 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1961
Material
Wood or Timber
Number of Spans
3
Structure Length
36.5 m (120 ft)
Deck Width
4.7 m (15 ft)
Owner
U.S. Forest Service
Avg Daily Traffic
50 vehicles/day
Structure Number
011603000000085

Condition Analysis

  • At 5/9, the deck (driving surface) shows fair condition, with minor wear flagged for upkeep.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

WAHLQUIST BR ROAD 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 WAHLQUIST BR ROAD against other structures in Missoula 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 WAHLQUIST BR ROAD?

WAHLQUIST BR ROAD in Missoula, Montana has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is WAHLQUIST BR ROAD inspected?

WAHLQUIST BR ROAD'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. WAHLQUIST BR ROAD 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 WAHLQUIST BR ROAD?

WAHLQUIST BR ROAD has an NBI inventory load rating of 23.3 metric tons.

Who is responsible for maintaining WAHLQUIST BR ROAD?

WAHLQUIST BR ROAD is owned and maintained by U.S. Forest Service.

How old is WAHLQUIST BR ROAD and does age affect safety?

WAHLQUIST BR ROAD was built in 1961, making it 65 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.