Structure DAPPACDTABRIDV2 · Fairbanks North Star County, AK

Lampkin Range RD over Branch Delta River

Carries Lampkin Range RD over Branch Delta River, 3.1 Km SW Of Xbrie2.

Overall conditionFair

Set by its lowest-rated component: Superstructure at 6 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating6/9 · Satisfactory
Substructure7/9 · Good
Channelnot part of overall7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT53 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 6/9 · sets the ratingSubstructure 7/9

53 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 bridge of this kind.

Built1962rebuilt 2012
Length53.5 ft16.3 m
Daily traffic25counted 2015
Last inspectedAugust 2023every 24 months

Location

StateAlaska
CountyFairbanks North Star
Location3.1 Km SW Of Xbrie2
CarriesLampkin Range RD
CrossesBranch Delta River
Coordinates63.94527, -145.80410

Physical Characteristics

MaterialSteel
DesignOther
Total Length53.5 ft (16.3 m)
Max Span41.3 ft (12.6 m)
Deck Width21.0 ft (6.4 m)
Deck Area104.3 sq m
Main Spans1
Year Built1962 (reconstructed 2012)

Traffic

Avg Daily Traffic25 (2015)
Truck Traffic90%
Lanes On Bridge1

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerArmy
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure NumberDAPPACDTABRIDV2

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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