FHWA NBI 2024 Inspection record Public-domain dataset

1700 EAST RD

Carrying 1700 EAST RD over HIGH LINE CANAL

5.7 S. 2.4 E. BUHL, Twin Falls, Idaho

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
29 t Inventory load rating

Bridge Snapshot: 1700 EAST RD

The 1700 EAST RD bridge in Twin Falls, Idaho carries 1700 EAST RD over HIGH LINE CANAL. It was built in 1981, making it 45 years old today. It was last reconstructed in 1991, extending its service life. The structure is built primarily of steel and spans 2 sections, stretching 24.4 meters (80 feet) end to end. Daily traffic averages 400 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by Other Local Agencies.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 5/9, substructure at 5/9. 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 29.0 metric tons.

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

How 1700 EAST RD compares

▼ 2.3
Load rating vs Idaho average (31.3 t)
Bottom 49%
Lower load rating than 51% of Idaho bridges
35
Bridges in Twin Falls · 1 in Poor condition
1700 EAST RD 29.0 t
Idaho average 31.3 t

Live comparison across Idaho.

Historical Sufficiency Rating

PlainBridge-computed
75.4 / 100 - historical 50–79.9 band
Structural adequacy /55
43.0
Serviceability /30
20.5
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1981
Last Reconstructed
1991
Material
Steel
Number of Spans
2
Structure Length
24.4 m (80 ft)
Deck Width
8.2 m (27 ft)
Owner
Other Local Agencies
Avg Daily Traffic
400 vehicles/day
Structure Number
000000000025385

Condition Analysis

  • The deck (driving surface) rates fair at 6/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 5/9, 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 1700 EAST RD 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 1700 EAST RD against other structures in Twin Falls and across Idaho. Idaho 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 1700 EAST RD?

1700 EAST RD in Twin Falls, Idaho has a deck rating of 6/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is 1700 EAST RD inspected?

1700 EAST 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 400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. 1700 EAST RD 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 1700 EAST RD?

1700 EAST RD has an NBI inventory load rating of 29.0 metric tons.

Who is responsible for maintaining 1700 EAST RD?

1700 EAST RD is owned and maintained by Other Local Agencies.

How old is 1700 EAST RD and does age affect safety?

1700 EAST RD was built in 1981, making it 45 years old and last reconstructed in 1991.

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.