Structure FRASER-002A · Grand County, CO

County Road 8 over Fraser River

Carries County Road 8 over Fraser River, 0.2 Mi East Of US HWY 40.

Overall conditionGood

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

How ratings work
Decksets the rating7/9 · Good
Superstructure8/9 · Very Good
Substructure8/9 · Very Good
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT46 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9 · sets the ratingSuperstructure 8/9Substructure 8/9

46 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 slab bridge.

Built20197 years old
Length46.3 ft14.1 m
Daily traffic2,341counted 2023
Last inspectedSeptember 2023every 24 months

Location

StateColorado
CountyGrand
Location0.2 Mi East Of US HWY 40
CarriesCounty Road 8
CrossesFraser River
Coordinates39.95187, -105.81454

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length46.3 ft (14.1 m)
Max Span41.0 ft (12.5 m)
Deck Width44.0 ft (13.4 m)
Deck Area188.9 sq m
Main Spans1
Year Built2019

Traffic

Avg Daily Traffic2,341 (2023)
Truck Traffic21%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerTown/Township Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberFRASER-002A

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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