FHWA NBI 2024 Inspection record Public-domain dataset

MT MURPHY RD

Carrying MT MURPHY RD over SOUTH FK AMERICAN RIVER

0.1 MI E OF SR 49, El Dorado, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
9 t Inventory load rating

Bridge Snapshot: MT MURPHY RD

The MT MURPHY RD bridge in El Dorado, California carries MT MURPHY RD over SOUTH FK AMERICAN RIVER. It was built in 1915, making it 111 years old today. It was last reconstructed in 1931, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 147.0 meters (482 feet) end to end. Daily traffic averages 284 vehicles, placing it in the lower-traffic tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 8.7 metric tons.

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

How MT MURPHY RD compares

▼ 22.6
Load rating vs California average (31.3 t)
Bottom 1%
Lower load rating than 99% of California bridges
196
Bridges in El Dorado · 10 in Poor condition
MT MURPHY RD 8.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
17.6 / 100 - historical under-20 band
Structural adequacy /55
7.5
Serviceability /30
0.0
Essentiality /15
10.1
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
8.7 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1915
Last Reconstructed
1931
Material
Steel
Number of Spans
1
Structure Length
147.0 m (482 ft)
Deck Width
5.7 m (19 ft)
Owner
County Highway Agency
Avg Daily Traffic
284 vehicles/day
Structure Number
25C0004

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) is in fair condition (5/9), with minor deterioration that may require routine maintenance.

How to read this record

This page shows what the last federal inspection recorded, not whether MT MURPHY 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 MT MURPHY RD against other structures in El Dorado and across California. California 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 MT MURPHY RD?

MT MURPHY RD in El Dorado, California has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is MT MURPHY RD inspected?

MT MURPHY 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 284 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. MT MURPHY 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 MT MURPHY RD?

MT MURPHY RD has an NBI inventory load rating of 8.7 metric tons.

Who is responsible for maintaining MT MURPHY RD?

MT MURPHY RD is owned and maintained by County Highway Agency.

How old is MT MURPHY RD and does age affect safety?

MT MURPHY RD was built in 1915, making it 111 years old and last reconstructed in 1931.

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.