FHWA NBI 2024 Inspection record Public-domain dataset

I40 WBL

Carrying I40 WBL over DROWNING CREEK

SOUTH OF PUTMAN COUNTY, Cumberland, Tennessee

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
18 t Inventory load rating

Bridge Snapshot: I40 WBL

The I40 WBL bridge in Cumberland, Tennessee carries I40 WBL over DROWNING CREEK. It was built in 1966, making it 60 years old today. It was last reconstructed in 1980, extending its service life. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 64.0 meters (210 feet) end to end. Daily traffic averages 35,960 vehicles, placing it in the heavily-trafficked tier of Tennessee bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 4/9, superstructure at 4/9, substructure at 4/9. 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. Its NBI inventory load rating is 17.5 metric tons.

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

How I40 WBL compares

▼ 12.0
Load rating vs Tennessee average (29.5 t)
Bottom 5%
Lower load rating than 95% of Tennessee bridges
137
Bridges in Cumberland · 22 in Poor condition
I40 WBL 17.5 t
Tennessee average 29.5 t

Live comparison across Tennessee.

Historical Sufficiency Rating

PlainBridge-computed
45.3 / 100 - historical 20–49.9 band
Structural adequacy /55
11.3
Serviceability /30
25.0
Essentiality /15
9.1
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 How the historical reference is calculated.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

Deck
4/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
17.5 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1966
Last Reconstructed
1980
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
64.0 m (210 ft)
Deck Width
13.4 m (44 ft)
Owner
State Highway Agency
Avg Daily Traffic
35,960 vehicles/day
Structure Number
18I00400014

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates poor at 4/9, advanced deterioration that should be prioritized for repair.
  • The substructure (piers and abutments) rates poor at 4/9, advanced deterioration that should be prioritized for repair.

How to read this record

I40 WBL 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 I40 WBL against other structures in Cumberland and across Tennessee. Tennessee 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 I40 WBL?

I40 WBL in Cumberland, Tennessee has a deck rating of 4/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is I40 WBL inspected?

I40 WBL'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 35,960 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. I40 WBL 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 I40 WBL?

I40 WBL has an NBI inventory load rating of 17.5 metric tons.

Who is responsible for maintaining I40 WBL?

I40 WBL is owned and maintained by State Highway Agency.

How old is I40 WBL and does age affect safety?

I40 WBL was built in 1966, making it 60 years old and last reconstructed in 1980.

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.