FHWA NBI 2024 Inspection record Public-domain dataset

ROUTE 136

Carrying ROUTE 136 over SAUGATUCK RIVER

BETWEEN I-95 EXIT 17 & 18, Fairfield, Connecticut

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
10 t Inventory load rating

Bridge Snapshot: ROUTE 136

The ROUTE 136 bridge in Fairfield, Connecticut carries ROUTE 136 over SAUGATUCK RIVER. It was built in 1870, making it 156 years old today. It was last reconstructed in 1993, extending its service life. The structure is built primarily of steel continuous and spans 2 sections, stretching 87.5 meters (287 feet) end to end. Daily traffic averages 14,500 vehicles, placing it in the heavily-trafficked tier of Connecticut bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 4/9. 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. Its NBI inventory load rating is 10.0 metric tons.

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

How ROUTE 136 compares

▼ 34.9
Load rating vs Connecticut average (44.9 t)
Bottom 1%
Lower load rating than 99% of Connecticut bridges
840
Bridges in Fairfield · 30 in Poor condition
ROUTE 136 10.0 t
Connecticut average 44.9 t

Live comparison across Connecticut.

Historical Sufficiency Rating

PlainBridge-computed
4.0 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
4.0
Essentiality /15
0.0
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
10.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1870
Last Reconstructed
1993
Material
Steel Continuous
Number of Spans
2
Structure Length
87.5 m (287 ft)
Deck Width
6.1 m (20 ft)
Owner
State Highway Agency
Avg Daily Traffic
14,500 vehicles/day
Structure Number
01349

Condition Analysis

  • The deck (driving surface) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the substructure (piers and abutments) is in poor shape, with advanced wear flagged for priority repair.

How to read this record

ROUTE 136 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 ROUTE 136 against other structures in Fairfield and across Connecticut. Connecticut 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 ROUTE 136?

ROUTE 136 in Fairfield, Connecticut has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is ROUTE 136 inspected?

ROUTE 136'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 14,500 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. ROUTE 136 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 ROUTE 136?

ROUTE 136 has an NBI inventory load rating of 10.0 metric tons.

Who is responsible for maintaining ROUTE 136?

ROUTE 136 is owned and maintained by State Highway Agency.

How old is ROUTE 136 and does age affect safety?

ROUTE 136 was built in 1870, making it 156 years old and last reconstructed in 1993.

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.