FHWA NBI 2024 Inspection record Public-domain dataset

Marsh Station Rd

Carrying Marsh Station Rd over Medium Wash

1.5 mi N of I 10 Exit 289, Pima, Arizona

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
100 t Inventory load rating

Bridge Snapshot: Marsh Station Rd

The Marsh Station Rd bridge in Pima, Arizona carries Marsh Station Rd over Medium Wash. It was built in 1933, making it 93 years old today. The structure is built primarily of concrete continuous and spans 2 sections, stretching 7.0 meters (23 feet) end to end. Daily traffic averages 400 vehicles, placing it in the lower-traffic tier of Arizona bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert 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 99.9 metric tons.

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

How Marsh Station Rd compares

▲ 52.5
Load rating vs Arizona average (47.4 t)
Top 1%
Higher load rating than 99% of Arizona bridges
864
Bridges in Pima · 8 in Poor condition
Marsh Station Rd 99.9 t
Arizona average 47.4 t

Live comparison across Arizona.

Historical Sufficiency Rating

PlainBridge-computed
99.5 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.6
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 How the historical reference is calculated.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

Culvert
6/9
Fair (5–6)
Inventory Load Rating
99.9 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1933
Material
Concrete Continuous
Number of Spans
2
Structure Length
7.0 m (23 ft)
Deck Width
16.0 m (52 ft)
Owner
County Highway Agency
Avg Daily Traffic
400 vehicles/day
Structure Number
08284

How to read this record

This page shows what the last federal inspection recorded, not whether Marsh Station 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 Marsh Station Rd against other structures in Pima and across Arizona. Arizona 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 Marsh Station Rd?

Marsh Station Rd in Pima, Arizona on the FHWA's 0–9 scale.

How often is Marsh Station Rd inspected?

Marsh Station 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. Marsh Station 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 Marsh Station Rd?

Marsh Station Rd has an NBI inventory load rating of 99.9 metric tons.

Who is responsible for maintaining Marsh Station Rd?

Marsh Station Rd is owned and maintained by County Highway Agency.

How old is Marsh Station Rd and does age affect safety?

Marsh Station Rd was built in 1933, making it 93 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.