FHWA NBI 2024 Inspection record Public-domain dataset

SECOND STREET

Carrying SECOND STREET over KALAMAZOO RIVER

CITY OF ALLEGAN, Allegan, Michigan

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
3 t Inventory load rating

Bridge Snapshot: SECOND STREET

The SECOND STREET bridge in Allegan, Michigan carries SECOND STREET over KALAMAZOO RIVER. It was built in 1886, making it 140 years old today. It was last reconstructed in 2022, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 68.6 meters (225 feet) end to end. Daily traffic averages 2,582 vehicles, placing it in the moderately-trafficked tier of Michigan bridges. It is owned and maintained by City/Municipal Highway Agency.

The latest FHWA inspection records show a deck rating of 8/9, superstructure at 5/9, substructure at 6/9. 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 3.2 metric tons.

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

How SECOND STREET compares

▼ 38.5
Load rating vs Michigan average (41.7 t)
Bottom 1%
Lower load rating than 99% of Michigan bridges
25
Bridges in Allegan
SECOND STREET 3.2 t
Michigan average 41.7 t

Live comparison across Michigan.

Historical Sufficiency Rating

PlainBridge-computed
15.9 / 100 - historical under-20 band
Structural adequacy /55
0.0
Serviceability /30
6.0
Essentiality /15
9.9
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 How the historical reference is calculated.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
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
3.2 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1886
Last Reconstructed
2022
Material
Steel
Number of Spans
1
Structure Length
68.6 m (225 ft)
Deck Width
5.4 m (18 ft)
Owner
City/Municipal Highway Agency
Avg Daily Traffic
2,582 vehicles/day
Structure Number
000000000000314

Condition Analysis

  • At 8/9, the deck (driving surface) is in good shape and shows no significant wear.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 6/9, the substructure (piers and abutments) shows fair condition, with minor wear flagged for upkeep.

How to read this record

This page shows what the last federal inspection recorded, not whether SECOND STREET 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 SECOND STREET against other structures in Allegan and across Michigan. Michigan 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 SECOND STREET?

SECOND STREET in Allegan, Michigan has a deck rating of 8/9, superstructure rating of 5/9, and substructure rating of 6/9 on the FHWA's 0–9 scale.

How often is SECOND STREET inspected?

SECOND STREET'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 2,582 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. SECOND STREET 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 SECOND STREET?

SECOND STREET has an NBI inventory load rating of 3.2 metric tons.

Who is responsible for maintaining SECOND STREET?

SECOND STREET is owned and maintained by City/Municipal Highway Agency.

How old is SECOND STREET and does age affect safety?

SECOND STREET was built in 1886, making it 140 years old and last reconstructed in 2022.

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.