FHWA NBI 2024 Inspection record Public-domain dataset

US 83 NB

Carrying US 83 NB over Arroyo Burro

4.6 Mi S of FM 3169, Zapata, Texas

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
33 t Inventory load rating

Bridge Snapshot: US 83 NB

The US 83 NB bridge in Zapata, Texas carries US 83 NB over Arroyo Burro. It was built in 1985, making it 41 years old today. The structure is built primarily of prestressed concrete and spans 13 sections, stretching 362.7 meters (1190 feet) end to end. Daily traffic averages 2,281 vehicles, placing it in the moderately-trafficked tier of Texas bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 32.7 metric tons.

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

How US 83 NB compares

▲ 4.4
Load rating vs Texas average (28.3 t)
Top 40%
Higher load rating than 60% of Texas bridges
36
Bridges in Zapata
US 83 NB 32.7 t
Texas average 28.3 t

Live comparison across Texas.

Historical Sufficiency Rating

PlainBridge-computed
81.6 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
26.0
Essentiality /15
1.4
Special reductions
−0.9

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1985
Material
Prestressed Concrete
Number of Spans
13
Structure Length
362.7 m (1190 ft)
Deck Width
7.0 m (23 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,281 vehicles/day
Structure Number
212530003804080

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) rates good at 7/9, with no significant deterioration on file.
  • 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 US 83 NB 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 US 83 NB against other structures in Zapata and across Texas. Texas 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 US 83 NB?

US 83 NB in Zapata, Texas has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is US 83 NB inspected?

US 83 NB'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 2,281 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 83 NB is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for US 83 NB?

US 83 NB has an NBI inventory load rating of 32.7 metric tons.

Who is responsible for maintaining US 83 NB?

US 83 NB is owned and maintained by State Highway Agency.

How old is US 83 NB and does age affect safety?

US 83 NB was built in 1985, making it 41 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.