Structure PAR CHAMBR-4.0 · Douglas County, CO

Chambers Road SB over Newlin Gulch | Newlin Gu

Carries Chambers Road SB over Newlin Gulch | Newlin Gu, .4 M NW Newlin Gulch BLVD.

Overall conditionGood

Set by its lowest-rated component: Deck and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructure9/9 · Excellent
Substructuresets the rating7/9 · Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT141 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 9/9Substructure 7/9 · sets the rating

141 ft end to end. Lengths and the semi-truck on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built200917 years old
Length141.4 ft43.1 m
Daily traffic13,454counted 2021
Last inspectedFebruary 2025every 24 months

Location

StateColorado
CountyDouglas
Location.4 M NW Newlin Gulch BLVD
CarriesChambers Road SB
CrossesNewlin Gulch | Newlin Gu
Coordinates39.50499, -104.81372

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length141.4 ft (43.1 m)
Max Span134.8 ft (41.1 m)
Deck Width57.4 ft (17.5 m)
Deck Area754.2 sq m
Main Spans1
Year Built2009

Traffic

Avg Daily Traffic13,454 (2021)
Truck Traffic2%
Lanes On Bridge3

Inspection & Ownership

Last InspectionFebruary 2025
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberPAR CHAMBR-4.0

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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