Structure CAS OMAN-0.3 · Douglas County, CO

Oman Road over Sellers Gulch Tributary

Carries Oman Road over Sellers Gulch Tributary, 0.1 Mi S Of South Street.

Overall conditionFair

Set by its lowest-rated component: Deck and Substructure at 6 of 9.

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructuresets the rating6/9 · Satisfactory
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT70 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

70 ft end to end. Lengths and the car 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 box-beam bridge.

Built199234 years old
Length69.9 ft21.3 m
Daily traffic1,106counted 2021
Last inspectedFebruary 2023every 48 months

Location

StateColorado
CountyDouglas
Location0.1 Mi S Of South Street
CarriesOman Road
CrossesSellers Gulch Tributary
Coordinates39.36888, -104.84974

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length69.9 ft (21.3 m)
Max Span65.0 ft (19.8 m)
Deck Width54.5 ft (16.6 m)
Deck Area353.6 sq m
Main Spans1
Year Built1992

Traffic

Avg Daily Traffic1,106 (2021)
Truck Traffic2%
Lanes On Bridge2

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 48 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberCAS OMAN-0.3

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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