FHWA NBI 2024 Inspection record Public-domain dataset

EUREKA AVE

Carrying EUREKA AVE over MIDDLE BR WAPSININOC CR

079041104, Cedar, Iowa

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
28 t Inventory load rating

Bridge Snapshot: EUREKA AVE

The EUREKA AVE bridge in Cedar, Iowa carries EUREKA AVE over MIDDLE BR WAPSININOC CR. It was built in 1904, making it 122 years old today. It was last reconstructed in 1977, extending its service life. The structure is built primarily of steel and spans 1 section, stretching 12.5 meters (41 feet) end to end. Daily traffic averages 5 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 a deck rating of 4/9, superstructure at 5/9, substructure at 5/9. The weakest component sits in poor condition. Because at least one major component scores 4 or lower, this bridge falls in FHWA's Poor condition category. That category is not a closure order. Its NBI inventory load rating is 28.0 metric tons.

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

How EUREKA AVE compares

▼ 2.9
Load rating vs Iowa average (30.9 t)
Bottom 41%
Lower load rating than 59% of Iowa bridges
265
Bridges in Cedar · 58 in Poor condition
EUREKA AVE 28.0 t
Iowa average 30.9 t

Live comparison across Iowa.

Historical Sufficiency Rating

PlainBridge-computed
69.9 / 100 - historical 50–79.9 band
Structural adequacy /55
42.0
Serviceability /30
21.0
Essentiality /15
14.9
Special reductions
−8.0

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 How the historical reference is calculated.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
4/9
Poor (1–4)
Superstructure
5/9
Fair (5–6)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
28.0 t
NBI inventory level (metric tons)
Overall Condition
Poor

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

Structural Details

Year Built
1904
Last Reconstructed
1977
Material
Steel
Number of Spans
1
Structure Length
12.5 m (41 ft)
Deck Width
5.6 m (18 ft)
Owner
County Highway Agency
Avg Daily Traffic
5 vehicles/day
Structure Number
000000000102127

Condition Analysis

  • At 4/9, the deck (driving surface) is in poor shape, with advanced wear flagged for priority repair.
  • The superstructure (beams and supports above the deck) rates fair at 5/9, minor deterioration that routine maintenance should address.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

EUREKA AVE 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 EUREKA AVE against other structures in Cedar 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 EUREKA AVE?

EUREKA AVE in Cedar, Iowa has a deck rating of 4/9, superstructure rating of 5/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is EUREKA AVE inspected?

EUREKA AVE'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 5 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. EUREKA AVE 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 EUREKA AVE?

EUREKA AVE has an NBI inventory load rating of 28.0 metric tons.

Who is responsible for maintaining EUREKA AVE?

EUREKA AVE is owned and maintained by County Highway Agency.

How old is EUREKA AVE and does age affect safety?

EUREKA AVE was built in 1904, making it 122 years old and last reconstructed in 1977.

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.