FHWA NBI 2024 Inspection record Public-domain dataset

CH 2 - FAS 556

Carrying CH 2 - FAS 556 over MOSQUITO CREEK

3.0 MI NE MT AUBURN, Christian, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
27 t Inventory load rating

Bridge Snapshot: CH 2 - FAS 556

The CH 2 - FAS 556 bridge in Christian, Illinois carries CH 2 - FAS 556 over MOSQUITO CREEK. It was built in 1961, making it 65 years old today. The structure is built primarily of steel continuous and spans 3 sections, stretching 47.9 meters (157 feet) end to end. Daily traffic averages 650 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 6/9, superstructure at 7/9, substructure at 5/9. The weakest component sits in fair condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 27.2 metric tons.

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

How CH 2 - FAS 556 compares

▼ 7.4
Load rating vs Illinois average (34.6 t)
Bottom 17%
Lower load rating than 83% of Illinois bridges
323
Bridges in Christian · 54 in Poor condition
CH 2 - FAS 556 27.2 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
70.2 / 100 - historical 50–79.9 band
Structural adequacy /55
41.1
Serviceability /30
17.2
Essentiality /15
14.9
Special reductions
−3.0

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 How the historical reference is calculated.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

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

Structural Details

Year Built
1961
Material
Steel Continuous
Number of Spans
3
Structure Length
47.9 m (157 ft)
Deck Width
9.9 m (32 ft)
Owner
County Highway Agency
Avg Daily Traffic
650 vehicles/day
Structure Number
011300100000000

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 good condition (7/9), showing no significant deterioration.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

This page shows what the last federal inspection recorded, not whether CH 2 - FAS 556 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 CH 2 - FAS 556 against other structures in Christian 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 CH 2 - FAS 556?

CH 2 - FAS 556 in Christian, Illinois has a deck rating of 6/9, superstructure rating of 7/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is CH 2 - FAS 556 inspected?

CH 2 - FAS 556'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 650 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. CH 2 - FAS 556 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 CH 2 - FAS 556?

CH 2 - FAS 556 has an NBI inventory load rating of 27.2 metric tons.

Who is responsible for maintaining CH 2 - FAS 556?

CH 2 - FAS 556 is owned and maintained by County Highway Agency.

How old is CH 2 - FAS 556 and does age affect safety?

CH 2 - FAS 556 was built in 1961, making it 65 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.