FHWA NBI 2024 Inspection record Public-domain dataset

STROH ROAD

Carrying STROH ROAD over CHERRY CREEK

0.3 MI WEST OF HWY 83, Douglas, Colorado

Inventory: FHWA NBI 2024 · last ETL August 2026

FHWA NBI record, refreshed with each annual release.

Good
37 t Inventory load rating Higher than 66% of rated Colorado bridges

STROH ROAD in Douglas, Colorado is rated Good in the FHWA's 2024 National Bridge Inventory.

Built in 1987, it carries 3 rated components on the inspecting agency's 0-9 scale, and its weakest reported component scores 7. The lowest applicable rating sets the federal condition category, so this Good result describes the weakest reported component rather than the structure as a whole. No NBI category is a closure decision or a live crossing-safety verdict.

NBI record plate

Structure CO:PAR STROH-0.3A

LATE-CENTURY · PRESTRESS · MULTI-SPAN · TIED-CTRL · ARTERIAL-ADT · STANDARD-LOAD · CAT-GOOD

  • LATE-CENTURY 1980–1999
  • PRESTRESS Prestressed concrete
  • MULTI-SPAN 3 spans
  • TIED-CTRL Tied control
  • ARTERIAL-ADT Arterial ADT
  • STANDARD-LOAD Standard load
  • CAT-GOOD Good

Inspection-sheet codes from this record’s year, material family, spans, controlling component, ADT, inventory load, and NBI category, not a live closure verdict.

Structural health score

A composite of the deck, superstructure, and substructure NBI condition ratings plus the inventory load rating, benchmarked against the full national bridge corpus, distinct from the Good/Fair/Poor category above.

C-
Overall Score
54/100
STROH ROAD
Deck Condition C-
7/9
NBI deck condition rating (0=failed, 9=excellent)
Superstructure Condition C-
7/9
NBI superstructure condition rating (0=failed, 9=excellent)
Substructure Condition C-
7/9
NBI substructure condition rating (0=failed, 9=excellent)
Load Rating C+
37 t
NBI inventory load rating vs the national corpus

Bridge Snapshot: STROH ROAD

The STROH ROAD bridge in Douglas, Colorado carries STROH ROAD over CHERRY CREEK. It was built in 1987, making it 39 years old today. The structure is built primarily of prestressed concrete continuous and spans 3 sections, stretching 91.4 meters (300 feet) end to end. Daily traffic averages 5,189 vehicles, placing it in the moderately-trafficked tier of Colorado bridges. It is owned and maintained by Town/Township Highway Agency.

The latest FHWA inspection places the weakest component in good condition (see the full component ratings below). None of this bridge's reported major components fall into the Poor condition range.

How STROH ROAD compares

▲ 0.3
Load rating vs Colorado average (36.8 t; 8,962 of 8,965 rated)
263
Bridges in Douglas · 6 in Poor condition

Age against the county: built in 1987, earlier than 185 of Douglas's 263 bridges with a recorded construction year (70%), against a county median build year of 1996. Age is not a defect on its own, but it is the population from which future Poor ratings are drawn.

STROH ROAD 37.1 t
Colorado average (8,962 of 8,965 rated) 36.8 t

Live comparison across Colorado bridges with a recorded inventory load rating (8,962 of 8,965 rated).

STROH ROAD vs every rated Colorado bridge

Inventory load rating (metric tons), FHWA NBI, this state

37 Top 34% higher than 66% of 8,962 bridges

rated Colorado bridges, bucketed by value

Each bar is a band; taller bars hold more bridges. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source FHWA National Bridge Inventory · August 2026

Condition Ratings

Deck
7/9
Good (7–9)
Superstructure
7/9
Good (7–9)
Substructure
7/9
Good (7–9)
Inventory Load Rating
37.1 t
NBI inventory level (metric tons)
Overall Condition
Good

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

Reported 0–9 component ratings from the FHWA NBI. The highlighted component is the lowest reported input to this record’s current condition category; it is not a closure or live crossing-safety decision.

Douglas inventory by recorded NBI category

Exclusive Good/Fair/Poor bands across all 263 bridges in this county. Orthogonal to this structure's component profile above: a county catalog share, not a live crossing-safety verdict.

Structural Details

Year Built
1987
Material
Prestressed Concrete Continuous
Number of Spans
3
Structure Length
91.4 m (300 ft)
Deck Width
12.2 m (40 ft)
Owner
Town/Township Highway Agency
Avg Daily Traffic
5,189 vehicles/day
Structure Number
PAR STROH-0.3A

Condition Analysis

  • • The deck (driving surface) rates good at 7/9, with no significant deterioration on file.
  • • The superstructure (beams and supports above the deck) is in good condition (7/9), showing no significant deterioration.
  • • 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 STROH ROAD 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 STROH ROAD against other structures in Douglas and across Colorado. Colorado 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 STROH ROAD?

STROH ROAD in Douglas, Colorado 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 STROH ROAD inspected?

STROH ROAD'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 5,189 vehicles per day.

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

FHWA retired that reported status beginning with the 2018 archive. STROH ROAD 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 STROH ROAD?

STROH ROAD has an NBI inventory load rating of 37.1 metric tons.

Who is responsible for maintaining STROH ROAD?

STROH ROAD is owned and maintained by Town/Township Highway Agency.

How old is STROH ROAD and does age affect safety?

STROH ROAD was built in 1987, making it 39 years old.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details.

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.

Share this inspection record

Send this source-bounded record or download its data card. An NBI condition category is not a closure or live crossing-safety verdict.

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Every figure on PlainBridges is rendered directly from federal source data, no number is typed in by an editor. Component ratings, ADT, and condition category on this page are copied from the NBI record for this structure; no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2024 NBI release. NBI condition categories reflect the latest reported inventory record, not a live safety, closure, or travel decision.