FHWA NBI 2026 Inspection record Public-domain dataset

NORTH MENOMINEE RO

Carrying NORTH MENOMINEE RO over LITTLE MENOMINEE RIV

MENOMINEE, Jo Daviess, Illinois

FHWA NBI inspection record for this structure. Condition ratings, inventory load rating, span, deck width, and average daily traffic refresh annually with each NBI release.

Fair
13 t Inventory load rating

Bridge Snapshot: NORTH MENOMINEE RO

The NORTH MENOMINEE RO bridge in Jo Daviess, Illinois carries NORTH MENOMINEE RO over LITTLE MENOMINEE RIV. It was built in 1932, making it 94 years old today. The structure is built primarily of concrete and spans 1 section, stretching 15.2 meters (50 feet) end to end. Daily traffic averages 550 vehicles, placing it in the lower-traffic tier of Illinois bridges. It is owned and maintained by County Highway Agency, the entity responsible for routine inspections and any needed repairs.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 5/9, substructure at 6/9 on the 0–9 NBI scale, where 9 is excellent and 0 is failed. The weakest component sits in fair condition, which drives the overall status of this bridge. No major component scores in the poor range, so the bridge is not classified as structurally deficient under federal criteria. Its NBI inventory load rating is 13.0 metric tons — the load level the structure is rated to carry at inventory (long-term) level.

In a county that maintains hundreds of NBI-tracked bridges, NORTH MENOMINEE RO is one data point in a Illinois inventory that FHWA inspects on a two-year cycle (more often when ratings fall). Bridge age alone is not a reliable safety signal — a 94-era structure can outperform a newer one when maintenance is consistent, materials are sound, and traffic loads stay within design limits. Use the condition ratings above, the sufficiency score, and the structurally-deficient flag together to read the bridge's real status, and check the linked county and state pages to see how this bridge ranks against its peers.

Every figure on this page comes directly from the Federal Highway Administration National Bridge Inventory (NBI), the public dataset that catalogs more than 617,000 highway bridges across the United States and is updated annually from the records that each state Department of Transportation submits to the FHWA. The condition codes use the standardized FHWA Recording and Coding Guide, the same scale that determines federal eligibility for the Highway Bridge Program and the Surface Transportation Block Grant set-aside for off-system bridges. A "structurally deficient" classification under those federal criteria is a maintenance and funding flag, never a closure order; states keep deficient bridges open with load posting, weight limits, or accelerated inspection cycles until rehabilitation or replacement is funded. See our methodology for refresh cadence and the exact NBI release vintage powering each record.

How NORTH MENOMINEE RO compares

▼ 21.6
Load rating vs Illinois average (34.6 t)
Bottom 1%
Lower load rating than 99% of Illinois bridges
198
Bridges in Jo Daviess · 18 structurally deficient
NORTH MENOMINEE RO 13.0 t
Illinois average 34.6 t

NBI inventory load rating (metric tons) and structural-deficiency status compared across Illinois, computed live from the FHWA NBI.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
5/9
Fair (5–6)
Substructure
6/9
Fair (5–6)
Inventory Load Rating
13.0 t
NBI inventory level (metric tons)
SD Status
Not SD

Ratings are on a 0–9 scale: 9 = Excellent, 7–8 = Good, 5–6 = Fair, 3–4 = Poor, 0–2 = Critical/Failed. Sufficiency rating (0–100) combines structural adequacy, functional obsolescence, and essentiality.

Structural Details

Year Built
1932
Material
Concrete
Number of Spans
1
Structure Length
15.2 m (50 ft)
Deck Width
7.4 m (24 ft)
Owner
County Highway Agency
Avg Daily Traffic
550 vehicles/day
Structure Number
043300600000000

Location

MENOMINEE, Jo Daviess, Illinois
42.487264, -90.532317
View on Google Maps ↗

Data Source

Data from the FHWA National Bridge Inventory (NBI). Bridge inspections are required every two years by federal law. Conditions reflect the most recent inspection.

FHWA NBI Program ↗

Condition Analysis

Built in 1932, this bridge is 94 years old. It carries approximately 550 vehicles per day. Based on the most recent FHWA inspection:

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The superstructure (beams and supports above the deck) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • The substructure (piers and abutments) is in fair condition (6/9), with minor deterioration that may require routine maintenance.

Its NBI inventory load rating is low, indicating a load-restricted structure.

Frequently Asked Questions

What do the condition ratings mean for NORTH MENOMINEE RO?

Bridge condition ratings use a 0–9 scale set by the Federal Highway Administration (FHWA). Ratings 7–9 indicate good condition with no significant problems. Ratings 5–6 mean fair condition with minor issues. Ratings 3–4 indicate poor condition requiring repair. Ratings 0–2 are critical, meaning the bridge has serious structural problems. NORTH MENOMINEE RO in Jo Daviess, Illinois has a deck rating of 5/9, superstructure rating of 5/9, and substructure rating of 6/9.

How often is NORTH MENOMINEE RO inspected?

Federal law requires most highway bridges to be inspected at least every 24 months. Bridges in poor condition or with known issues may be inspected more frequently (every 12 months or less). NORTH MENOMINEE RO is part of the National Bridge Inventory maintained by the FHWA. With 550 vehicles crossing daily, regular inspection is essential.

What does "structurally deficient" mean for a bridge?

A structurally deficient bridge has at least one major component (deck, superstructure, or substructure) rated 4 or below on the FHWA 0–9 scale. This classification does NOT mean the bridge is unsafe for travel — it means the bridge needs repair, rehabilitation, or eventual replacement. Structurally deficient bridges remain open and are monitored. NORTH MENOMINEE RO is not classified as structurally deficient.

What is the inventory load rating for NORTH MENOMINEE RO?

The NBI inventory rating is the load level a bridge is rated to carry for an indefinite period, recorded in metric tons. A lower number means the structure is more load-restricted. NORTH MENOMINEE RO has an inventory load rating of 13.0 metric tons. It is distinct from the FHWA sufficiency rating, a separate 0–100 funding-eligibility score that this dataset does not include.

Who is responsible for maintaining NORTH MENOMINEE RO?

Bridge ownership and maintenance responsibility varies — bridges may be owned by state DOTs, counties, cities, railroads, or federal agencies. NORTH MENOMINEE RO is maintained by County Highway Agency. The FHWA oversees the National Bridge Inventory program and sets inspection standards, but day-to-day maintenance falls to the owning agency. If you notice damage or safety concerns, contact your state DOT or call 911 for emergencies.

How old is NORTH MENOMINEE RO and does age affect safety?

NORTH MENOMINEE RO was built in 1932, making it 94 years old. Bridge age alone does not determine safety — condition depends on materials, design, traffic load, maintenance history, and environmental exposure. Many older bridges remain in good condition due to regular maintenance and reconstruction.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A structurally deficient rating does not mean a bridge is closed or unsafe for travel — it indicates the bridge requires repair or replacement. For current closure or safety information, contact your state DOT.

Related

Data sourced from official U.S. government datasets. See our methodology for details. Retrieved and formatted by PlainBridges Editorial