FHWA NBI 2024 Inspection record Public-domain dataset

US 136(FAP 709)

Carrying US 136(FAP 709) over MIDDLE FORK RIVER

1.8 MI W ILL 49, Vermilion, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
55 t Inventory load rating

Bridge Snapshot: US 136(FAP 709)

The US 136(FAP 709) bridge in Vermilion, Illinois carries US 136(FAP 709) over MIDDLE FORK RIVER. It was built in 1928, making it 98 years old today. It was last reconstructed in 1984, extending its service life. The structure is built primarily of steel continuous and spans 5 sections, stretching 86.7 meters (284 feet) end to end. Daily traffic averages 1,550 vehicles, placing it in the moderately-trafficked tier of Illinois bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 6/9, substructure at 7/9. The weakest component sits in fair condition. All reported major components score above the Poor range. Its NBI inventory load rating is 54.8 metric tons.

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

How US 136(FAP 709) compares

▲ 20.2
Load rating vs Illinois average (34.6 t)
Top 5%
Higher load rating than 95% of Illinois bridges
515
Bridges in Vermilion · 27 in Poor condition
US 136(FAP 709) 54.8 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
94.0 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
29.0
Essentiality /15
12.1
Special reductions
−2.0

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 How the historical reference is calculated.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
6/9
Fair (5–6)
Superstructure
6/9
Fair (5–6)
Substructure
7/9
Good (7–9)
Inventory Load Rating
54.8 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1928
Last Reconstructed
1984
Material
Steel Continuous
Number of Spans
5
Structure Length
86.7 m (284 ft)
Deck Width
10.7 m (35 ft)
Owner
State Highway Agency
Avg Daily Traffic
1,550 vehicles/day
Structure Number
092005800000000

Condition Analysis

  • The deck (driving surface) is in fair condition (6/9), with minor deterioration that may require routine maintenance.
  • 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) is in good condition (7/9), showing no significant deterioration.

How to read this record

This page shows what the last federal inspection recorded, not whether US 136(FAP 709) 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 US 136(FAP 709) against other structures in Vermilion and across Illinois. Illinois 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 US 136(FAP 709)?

US 136(FAP 709) in Vermilion, Illinois has a deck rating of 6/9, superstructure rating of 6/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is US 136(FAP 709) inspected?

US 136(FAP 709)'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 1,550 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. US 136(FAP 709) is currently shown as Fair condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for US 136(FAP 709)?

US 136(FAP 709) has an NBI inventory load rating of 54.8 metric tons.

Who is responsible for maintaining US 136(FAP 709)?

US 136(FAP 709) is owned and maintained by State Highway Agency.

How old is US 136(FAP 709) and does age affect safety?

US 136(FAP 709) was built in 1928, making it 98 years old and last reconstructed in 1984.

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.