FHWA NBI 2024 Inspection record Public-domain dataset

GROUSE AVENUE

Carrying GROUSE AVENUE over DRAINAGE DITCH NO 6

090210602, Franklin, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Fair
25 t Inventory load rating

Bridge Snapshot: GROUSE AVENUE

The GROUSE AVENUE bridge in Franklin, Iowa carries GROUSE AVENUE over DRAINAGE DITCH NO 6. It was built in 1967, making it 59 years old today. The structure is built primarily of steel and spans 2 sections, stretching 8.8 meters (29 feet) end to end. Daily traffic averages 11 vehicles, placing it in the lower-traffic tier of Iowa bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show culvert at 5/9. The weakest component sits in fair condition. No reported major component scores in the Poor range under the current federal condition thresholds. Its NBI inventory load rating is 24.5 metric tons.

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

How GROUSE AVENUE compares

▼ 6.4
Load rating vs Iowa average (30.9 t)
Bottom 32%
Lower load rating than 68% of Iowa bridges
214
Bridges in Franklin · 29 in Poor condition
GROUSE AVENUE 24.5 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
81.8 / 100 - historical 80–100 band
Structural adequacy /55
37.8
Serviceability /30
29.0
Essentiality /15
15.0
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 How the historical reference is calculated.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

Culvert
5/9
Fair (5–6)
Inventory Load Rating
24.5 t
NBI inventory level (metric tons)
Overall Condition
Fair

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

Structural Details

Year Built
1967
Material
Steel
Number of Spans
2
Structure Length
8.8 m (29 ft)
Owner
County Highway Agency
Avg Daily Traffic
11 vehicles/day
Structure Number
000000000156610

How to read this record

This page shows what the last federal inspection recorded, not whether GROUSE AVENUE 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 GROUSE AVENUE against other structures in Franklin and across Iowa. Iowa 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 GROUSE AVENUE?

GROUSE AVENUE in Franklin, Iowa on the FHWA's 0–9 scale.

How often is GROUSE AVENUE inspected?

GROUSE AVENUE'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 11 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. GROUSE AVENUE 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 GROUSE AVENUE?

GROUSE AVENUE has an NBI inventory load rating of 24.5 metric tons.

Who is responsible for maintaining GROUSE AVENUE?

GROUSE AVENUE is owned and maintained by County Highway Agency.

How old is GROUSE AVENUE and does age affect safety?

GROUSE AVENUE was built in 1967, making it 59 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.