NAVIGATION BLVD
Carrying NAVIGATION BLVD over UPRR TERMINAL & MACK ST
0.10 MI W OF 67TH ST, Harris, Texas
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
NAVIGATION BLVD in Harris, Texas sits above 24% of rated Texas bridges on inventory load rating (25 t), while its 1970 build year is earlier than 81% of Harris's recorded-year cohort (4,029 bridges).
NAVIGATION BLVD in Harris, Texas is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1970, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 4. The lowest applicable rating sets the federal condition category, so this Poor result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.
NBI record plate
Structure TX:121020B46641550
INTERSTATE-ERA · PRESTRESS · LONG-SPAN-RUN · DECK-LED · HEAVY-ADT · STANDARD-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- LONG-SPAN-RUN 11 spans
- DECK-LED Deck-led
- HEAVY-ADT Heavy ADT
- STANDARD-LOAD Standard load
- CAT-POOR Poor
Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.
Bridge Snapshot: NAVIGATION BLVD
The NAVIGATION BLVD bridge in Harris, Texas carries NAVIGATION BLVD over UPRR TERMINAL & MACK ST. It was built in 1970, making it 56 years old today. The structure is built primarily of prestressed concrete and spans 11 sections, stretching 248.7 meters (816 feet) end to end. Daily traffic averages 17,800 vehicles, placing it in the heavily-trafficked tier of Texas bridges. It is owned and maintained by City/Municipal Highway Agency.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 6/9, substructure at 6/9. The weakest component sits in poor condition. At least one major component here scores 4 or below, which produces a Poor condition classification under FHWA's current reporting rules.
How NAVIGATION BLVD compares
Age against the county: built in 1970, earlier than 3,282 of Harris's 4,029 bridges with a recorded construction year (81%), against a county median build year of 1990. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.
Live comparison across Texas bridges with a recorded inventory load rating (56,715 of 56,729 rated).
NAVIGATION BLVD vs every rated Texas bridge
Inventory load rating (metric tons), FHWA NBI, this state
25 Top 76% higher than 24% of 56,715 bridges
rated Texas bridges, bucketed by value
Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source FHWA National Bridge Inventory · August 2026
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.
Harris inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 4,029 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.
Structural Details
- Year Built
- 1970
- Material
- Prestressed Concrete
- Number of Spans
- 11
- Structure Length
- 248.7 m (816 ft)
- Deck Width
- 18.3 m (60 ft)
- Owner
- City/Municipal Highway Agency
- Avg Daily Traffic
- 17,800 vehicles/day
- Structure Number
- 121020B46641550
Condition Analysis
- • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • The superstructure (beams and supports above the deck) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
- • The substructure (piers and abutments) rates fair at 6/9, minor deterioration that routine maintenance should address.
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗How to read this record
NAVIGATION BLVD is in the federal Poor condition category. That is a component-based result, not a closure order.
- NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
- Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
- Compare NAVIGATION BLVD against other structures in Harris 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 NAVIGATION BLVD?
NAVIGATION BLVD in Harris, Texas has a deck rating of 4/9, superstructure rating of 6/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is NAVIGATION BLVD inspected?
NAVIGATION BLVD'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 17,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. NAVIGATION BLVD is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.
What is the inventory load rating for NAVIGATION BLVD?
NAVIGATION BLVD has an NBI inventory load rating of 24.5 metric tons.
Who is responsible for maintaining NAVIGATION BLVD?
NAVIGATION BLVD is owned and maintained by City/Municipal Highway Agency.
How old is NAVIGATION BLVD and does age affect safety?
NAVIGATION BLVD was built in 1970, making it 56 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.
Share this inspection record
Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.
Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.