FHWA NBI 2024 Inspection record Public-domain dataset

STC 4751;CTTNWD CR

Carrying STC 4751;CTTNWD CR over COYOTE CREEK

3.1 S. 3.0 E. MYRTLE, Nez Perce, Idaho

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
12 t Inventory load rating

Bridge Snapshot: STC 4751;CTTNWD CR

The STC 4751;CTTNWD CR bridge in Nez Perce, Idaho carries STC 4751;CTTNWD CR over COYOTE CREEK. It was built in 1938, making it 88 years old today. It was last reconstructed in 1968, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 21.0 meters (69 feet) end to end. Daily traffic averages 40 vehicles, placing it in the lower-traffic tier of Idaho bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 11.8 metric tons.

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

How STC 4751;CTTNWD CR compares

▼ 19.5
Load rating vs Idaho average (31.3 t)
Bottom 3%
Lower load rating than 97% of Idaho bridges
19
Bridges in Nez Perce
STC 4751;CTTNWD CR 11.8 t
Idaho average 31.3 t

Live comparison across Idaho.

Historical Sufficiency Rating

PlainBridge-computed
59.4 / 100 - historical 50–79.9 band
Structural adequacy /55
24.6
Serviceability /30
28.0
Essentiality /15
14.9
Special reductions
−8.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1938
Last Reconstructed
1968
Material
Steel
Number of Spans
1
Structure Length
21.0 m (69 ft)
Deck Width
9.7 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
40 vehicles/day
Structure Number
000000000029905

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

How to read this record

This page shows what the last federal inspection recorded, not whether STC 4751;CTTNWD CR 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 STC 4751;CTTNWD CR against other structures in Nez Perce 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 STC 4751;CTTNWD CR?

STC 4751;CTTNWD CR in Nez Perce, Idaho has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is STC 4751;CTTNWD CR inspected?

STC 4751;CTTNWD CR'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 40 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STC 4751;CTTNWD CR 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 STC 4751;CTTNWD CR?

STC 4751;CTTNWD CR has an NBI inventory load rating of 11.8 metric tons.

Who is responsible for maintaining STC 4751;CTTNWD CR?

STC 4751;CTTNWD CR is owned and maintained by County Highway Agency.

How old is STC 4751;CTTNWD CR and does age affect safety?

STC 4751;CTTNWD CR was built in 1938, making it 88 years old and last reconstructed in 1968.

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.