FHWA NBI 2024 Inspection record Public-domain dataset

DAVIS ST/ FAU 9301

Carrying DAVIS ST/ FAU 9301 over FISH LAKE

1.25MI W ILL RTE 3, St. Clair, Illinois

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
38 t Inventory load rating

Bridge Snapshot: DAVIS ST/ FAU 9301

The DAVIS ST/ FAU 9301 bridge in St. Clair, Illinois carries DAVIS ST/ FAU 9301 over FISH LAKE. It was built in 1974, making it 52 years old today. It was last reconstructed in 2011, extending its service life. The structure is built primarily of prestressed concrete and spans 3 sections, stretching 25.0 meters (82 feet) end to end. Daily traffic averages 400 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 8/9, superstructure at 8/9, substructure at 7/9. The weakest component sits in good condition. None of this bridge's reported major components fall into the Poor condition range. Its NBI inventory load rating is 37.9 metric tons.

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

How DAVIS ST/ FAU 9301 compares

▲ 3.3
Load rating vs Illinois average (34.6 t)
Top 23%
Higher load rating than 77% of Illinois bridges
502
Bridges in St. Clair · 40 in Poor condition
DAVIS ST/ FAU 9301 37.9 t
Illinois average 34.6 t

Live comparison across Illinois.

Historical Sufficiency Rating

PlainBridge-computed
99.7 / 100 - historical 80–100 band
Structural adequacy /55
55.0
Serviceability /30
30.0
Essentiality /15
14.7
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 How the historical reference is calculated.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
8/9
Good (7–9)
Superstructure
8/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
37.9 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1974
Last Reconstructed
2011
Material
Prestressed Concrete
Number of Spans
3
Structure Length
25.0 m (82 ft)
Deck Width
9.2 m (30 ft)
Owner
County Highway Agency
Avg Daily Traffic
400 vehicles/day
Structure Number
082305800000000

Condition Analysis

  • The deck (driving surface) rates good at 8/9, with no significant deterioration on file.
  • The superstructure (beams and supports above the deck) is in good condition (8/9), showing no significant deterioration.
  • 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 DAVIS ST/ FAU 9301 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 DAVIS ST/ FAU 9301 against other structures in St. Clair 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 DAVIS ST/ FAU 9301?

DAVIS ST/ FAU 9301 in St. Clair, Illinois has a deck rating of 8/9, superstructure rating of 8/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is DAVIS ST/ FAU 9301 inspected?

DAVIS ST/ FAU 9301'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 400 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. DAVIS ST/ FAU 9301 is currently shown as Good condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for DAVIS ST/ FAU 9301?

DAVIS ST/ FAU 9301 has an NBI inventory load rating of 37.9 metric tons.

Who is responsible for maintaining DAVIS ST/ FAU 9301?

DAVIS ST/ FAU 9301 is owned and maintained by County Highway Agency.

How old is DAVIS ST/ FAU 9301 and does age affect safety?

DAVIS ST/ FAU 9301 was built in 1974, making it 52 years old and last reconstructed in 2011.

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.