FHWA NBI 2024 Inspection record Public-domain dataset

OLD HWY 99 W

Carrying OLD HWY 99 W over COYOTE CREEK

1.2 MI N FLORES AVE, Tehama, California

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Good
21 t Inventory load rating

Bridge Snapshot: OLD HWY 99 W

The OLD HWY 99 W bridge in Tehama, California carries OLD HWY 99 W over COYOTE CREEK. It was built in 1940, making it 86 years old today. The structure is built primarily of concrete continuous and spans 6 sections, stretching 34.7 meters (114 feet) end to end. Daily traffic averages 6,000 vehicles, placing it in the moderately-trafficked tier of California bridges. It is owned and maintained by County Highway Agency.

The latest FHWA inspection records show a deck rating of 7/9, superstructure at 7/9, substructure at 7/9. The weakest component sits in good condition. All reported major components score above the Poor range. Its NBI inventory load rating is 20.7 metric tons.

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

How OLD HWY 99 W compares

▼ 10.6
Load rating vs California average (31.3 t)
Bottom 14%
Lower load rating than 86% of California bridges
452
Bridges in Tehama · 30 in Poor condition
OLD HWY 99 W 20.7 t
California average 31.3 t

Live comparison across California.

Historical Sufficiency Rating

PlainBridge-computed
64.5 / 100 - historical 50–79.9 band
Structural adequacy /55
42.0
Serviceability /30
15.0
Essentiality /15
9.5
Special reductions
−2.0

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 How the historical reference is calculated.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
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
20.7 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Structural Details

Year Built
1940
Material
Concrete Continuous
Number of Spans
6
Structure Length
34.7 m (114 ft)
Deck Width
9.6 m (31 ft)
Owner
County Highway Agency
Avg Daily Traffic
6,000 vehicles/day
Structure Number
08C0116

Condition Analysis

  • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • At 7/9, the superstructure (beams and supports above the deck) is in good shape and shows no significant wear.
  • At 7/9, the substructure (piers and abutments) is in good shape and shows no significant wear.

How to read this record

This page shows what the last federal inspection recorded, not whether OLD HWY 99 W 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 OLD HWY 99 W against other structures in Tehama and across California. California 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 OLD HWY 99 W?

OLD HWY 99 W in Tehama, California has a deck rating of 7/9, superstructure rating of 7/9, and substructure rating of 7/9 on the FHWA's 0–9 scale.

How often is OLD HWY 99 W inspected?

OLD HWY 99 W'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 6,000 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. OLD HWY 99 W 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 OLD HWY 99 W?

OLD HWY 99 W has an NBI inventory load rating of 20.7 metric tons.

Who is responsible for maintaining OLD HWY 99 W?

OLD HWY 99 W is owned and maintained by County Highway Agency.

How old is OLD HWY 99 W and does age affect safety?

OLD HWY 99 W was built in 1940, making it 86 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.