I-540 SB Lanes
Carrying I-540 SB Lanes over Clayton Branch-Sebastian
9.14 Mi N. OK State Line, Sebastian, Arkansas
Data updated May 2026
FHWA NBI record, refreshed with each annual release.
Bridge Snapshot: I-540 SB Lanes
The I-540 SB Lanes bridge in Sebastian, Arkansas carries I-540 SB Lanes over Clayton Branch-Sebastian. It was built in 2013, making it 13 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 49.4 meters (162 feet) end to end. Daily traffic averages 25,500 vehicles, placing it in the heavily-trafficked tier of Arkansas bridges. It is owned and maintained by State Highway Agency.
The latest FHWA inspection records show a deck rating of 7/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. 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 I-540 SB Lanes compares
Live comparison across Arkansas.
Historical Sufficiency Rating
PlainBridge-computedFHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.
Condition Ratings
Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.
Structural Details
- Year Built
- 2013
- Material
- Steel Continuous
- Number of Spans
- 3
- Structure Length
- 49.4 m (162 ft)
- Deck Width
- 13.2 m (43 ft)
- Owner
- State Highway Agency
- Avg Daily Traffic
- 25,500 vehicles/day
- Structure Number
- 0000000000A6879
Location
Data Source
FHWA National Bridge Inventory (NBI).
FHWA NBI Program ↗Condition Analysis
- • At 7/9, the deck (driving surface) is in good shape and shows no significant wear.
- • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
- • 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 I-540 SB Lanes 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 I-540 SB Lanes against other structures in Sebastian and across Arkansas. Arkansas 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 I-540 SB Lanes?
I-540 SB Lanes in Sebastian, Arkansas has a deck rating of 7/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.
How often is I-540 SB Lanes inspected?
I-540 SB Lanes'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 25,500 vehicles per day.
What does “structurally deficient” mean in older bridge reports?
FHWA retired that reported status beginning with the 2018 archive. I-540 SB Lanes 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 I-540 SB Lanes?
I-540 SB Lanes has an NBI inventory load rating of 32.7 metric tons.
Who is responsible for maintaining I-540 SB Lanes?
I-540 SB Lanes is owned and maintained by State Highway Agency.
How old is I-540 SB Lanes and does age affect safety?
I-540 SB Lanes was built in 2013, making it 13 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.
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.