FHWA NBI 2024 Inspection record Public-domain dataset

IRR BIA RTE 9

Carrying IRR BIA RTE 9 over OWYHEE RIVER

7.3 KM SE TO OWYHEE, Elko, Nevada

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
31 t Inventory load rating

Bridge Snapshot: IRR BIA RTE 9

The IRR BIA RTE 9 bridge in Elko, Nevada carries IRR BIA RTE 9 over OWYHEE RIVER. It was built in 1975, making it 51 years old today. The structure is built primarily of concrete and spans 3 sections, stretching 23.2 meters (76 feet) end to end. Daily traffic averages 300 vehicles, placing it in the lower-traffic tier of Nevada bridges. It is owned and maintained by Bureau of Indian Affairs.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 31.0 metric tons.

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

How IRR BIA RTE 9 compares

▼ 15.6
Load rating vs Nevada average (46.6 t)
Bottom 25%
Lower load rating than 75% of Nevada bridges
224
Bridges in Elko · 6 in Poor condition
IRR BIA RTE 9 31.0 t
Nevada average 46.6 t

Live comparison across Nevada.

Historical Sufficiency Rating

PlainBridge-computed
96.2 / 100 - historical 80–100 band
Structural adequacy /55
54.5
Serviceability /30
29.0
Essentiality /15
14.8
Special reductions
−2.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1975
Material
Concrete
Number of Spans
3
Structure Length
23.2 m (76 ft)
Deck Width
9.4 m (31 ft)
Owner
Bureau of Indian Affairs
Avg Daily Traffic
300 vehicles/day
Structure Number
00000000000H305

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether IRR BIA RTE 9 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 IRR BIA RTE 9 against other structures in Elko and across Nevada. Nevada 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 IRR BIA RTE 9?

IRR BIA RTE 9 in Elko, Nevada has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is IRR BIA RTE 9 inspected?

IRR BIA RTE 9'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 300 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. IRR BIA RTE 9 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 IRR BIA RTE 9?

IRR BIA RTE 9 has an NBI inventory load rating of 31.0 metric tons.

Who is responsible for maintaining IRR BIA RTE 9?

IRR BIA RTE 9 is owned and maintained by Bureau of Indian Affairs.

How old is IRR BIA RTE 9 and does age affect safety?

IRR BIA RTE 9 was built in 1975, making it 51 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.