IND. NATION TP
Carrying IND. NATION TP over CREEK
50.5 MIS S. JCT I-40, Pittsburg, Oklahoma
Inventory: FHWA NBI 2024 · last ETL August 2026
FHWA NBI record, refreshed with each annual release.
IND. NATION TP in Pittsburg, Oklahoma sits above 83% of rated Oklahoma bridges on inventory load rating (43 t), while its 1968 build year is earlier than 45% of Pittsburg's recorded-year cohort (411 bridges).
IND. NATION TP in Pittsburg, Oklahoma is rated Poor in the FHWA's 2024 National Bridge Inventory. Built in 1968, 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 OK:172940000000000
INTERSTATE-ERA · PRESTRESS · MULTI-SPAN · DECK-LED · ARTERIAL-ADT · HEAVY-LOAD · CAT-POOR
- INTERSTATE-ERA 1950–1979
- PRESTRESS Prestressed concrete
- MULTI-SPAN 3 spans
- DECK-LED Deck-led
- ARTERIAL-ADT Arterial ADT
- HEAVY-LOAD Heavy 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: IND. NATION TP
The IND. NATION TP bridge in Pittsburg, Oklahoma carries IND. NATION TP over CREEK. It was built in 1968, making it 58 years old today. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 51.2 meters (168 feet) end to end. Daily traffic averages 3,800 vehicles, placing it in the moderately-trafficked tier of Oklahoma bridges. It is owned and maintained by State Toll Authority.
The latest FHWA inspection records show a deck rating of 4/9, superstructure at 5/9, substructure at 6/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order.
How IND. NATION TP compares
Age against the county: built in 1968, earlier than 187 of Pittsburg's 411 bridges with a recorded construction year (45%), against a county median build year of 1965. This is one of the newer structures in its county.
Live comparison across Oklahoma bridges with a recorded inventory load rating (22,909 of 22,917 rated).
IND. NATION TP vs every rated Oklahoma bridge
Inventory load rating (metric tons), FHWA NBI, this state
43 Top 17% higher than 83% of 22,909 bridges
rated Oklahoma 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.
Pittsburg inventory by recorded NBI category
Exclusive Good/Fair/Poor bands across all 411 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
- 1968
- Material
- Prestressed Concrete
- Number of Spans
- 3
- Structure Length
- 51.2 m (168 ft)
- Deck Width
- 22.6 m (74 ft)
- Owner
- State Toll Authority
- Avg Daily Traffic
- 3,800 vehicles/day
- Structure Number
- 172940000000000
Condition Analysis
- • The deck (driving surface) is in poor condition (4/9), showing advanced deterioration on the inspecting agency's 0-9 scale.
- • At 5/9, the superstructure (beams and supports above the deck) shows fair condition, with minor wear flagged for upkeep.
- • 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
IND. NATION TP 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 IND. NATION TP against other structures in Pittsburg and across Oklahoma. Oklahoma 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 IND. NATION TP?
IND. NATION TP in Pittsburg, Oklahoma has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.
How often is IND. NATION TP inspected?
IND. NATION TP'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 3,800 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. IND. NATION TP 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 IND. NATION TP?
IND. NATION TP has an NBI inventory load rating of 42.5 metric tons.
Who is responsible for maintaining IND. NATION TP?
IND. NATION TP is owned and maintained by State Toll Authority.
How old is IND. NATION TP and does age affect safety?
IND. NATION TP was built in 1968, making it 58 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.
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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.