Structure 976 · Anchorage County, AK

Hillcrest DR over Hillcrest Overcrossing

Carries Hillcrest DR over Hillcrest Overcrossing, Mile Point 0.2.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructuresets the rating5/9 · Fair
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT89 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 5/9 · sets the ratingSubstructure 6/9

89 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 multi-beam bridge.

Built1967rebuilt 2001
Length89.2 ft27.2 m
Daily traffic2,110counted 2020
Last inspectedAugust 2023every 24 months

Location

StateAlaska
CountyAnchorage
LocationMile Point 0.2
CarriesHillcrest DR
CrossesHillcrest Overcrossing
Coordinates61.20056, -149.91306

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length89.2 ft (27.2 m)
Max Span85.0 ft (25.9 m)
Deck Width56.1 ft (17.1 m)
Deck Area465.1 sq m
Main Spans1
Year Built1967 (reconstructed 2001)

Traffic

Avg Daily Traffic2,110 (2020)
Truck Traffic5%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number0976

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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