FHWA NBI 2024 Inspection record Public-domain dataset

CARMAN RD

Carrying CARMAN RD over DUGOUT CREEK

N EDGE LOMAX, Henderson, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
23 t Inventory load rating

Bridge Snapshot: CARMAN RD

The CARMAN RD bridge in Henderson, Illinois carries CARMAN RD over DUGOUT CREEK. It was built in 1954, making it 72 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 31.1 meters (102 feet) end to end. Daily traffic averages 2,000 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 3/9, superstructure at 4/9, substructure at 4/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 23.0 metric tons.

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

How CARMAN RD compares

▼ 11.6
Load rating vs Illinois average (34.6 t)
Bottom 8%
Lower load rating than 92% of Illinois bridges
144
Bridges in Henderson · 17 in Poor condition
CARMAN RD 23.0 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
32.9 / 100 - historical 20–49.9 band
Structural adequacy /55
20.6
Serviceability /30
6.0
Essentiality /15
6.3
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 How the historical reference is calculated.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
3/9
Poor (1–4)
Superstructure
4/9
Poor (1–4)
Substructure
4/9
Poor (1–4)
Inventory Load Rating
23.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1954
Material
Steel Continuous
Number of Spans
3
Structure Length
31.1 m (102 ft)
Deck Width
9.0 m (30 ft)
Owner
State Highway Agency
Avg Daily Traffic
2,000 vehicles/day
Structure Number
036300300000000

Condition Analysis

  • The deck (driving surface) is in poor condition (3/9), showing advanced deterioration that may require priority repair.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) is in poor condition (4/9), showing advanced deterioration that may require priority repair.

How to read this record

CARMAN RD 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 CARMAN RD against other structures in Henderson 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 CARMAN RD?

CARMAN RD in Henderson, Illinois has a deck rating of 3/9, superstructure rating of 4/9, and substructure rating of 4/9 on the FHWA's 0–9 scale.

How often is CARMAN RD inspected?

CARMAN RD'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 2,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CARMAN RD 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 CARMAN RD?

CARMAN RD has an NBI inventory load rating of 23.0 metric tons.

Who is responsible for maintaining CARMAN RD?

CARMAN RD is owned and maintained by State Highway Agency.

How old is CARMAN RD and does age affect safety?

CARMAN RD was built in 1954, making it 72 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.

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.