Structure 5770 · Baxter County, AR

US 62 & US 412 over Norfork Lake-district 9

Carries US 62 & US 412 over Norfork Lake-district 9, 8.49 Mi E Jct SH 5.

Overall conditionFair

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

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

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT3,460 FT OVERALL500 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 6/9

3,460 ft end to end, longest span 255 ft: about 9.6 football fields. 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 girder bridge.

Built198244 years old
Length3460.0 ft1054.6 m
Daily traffic5,300counted 2018
Last inspectedDecember 2024every 24 months

Location

StateArkansas
CountyBaxter
Location8.49 Mi E Jct SH 5
CarriesUS 62 & US 412
CrossesNorfork Lake-district 9
Coordinates36.37066, -92.24709

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length3460.0 ft (1054.6 m)
Max Span254.9 ft (77.7 m)
Deck Width46.9 ft (14.3 m)
Deck Area15080.8 sq m
Main Spans14
Year Built1982

Traffic

Avg Daily Traffic5,300 (2018)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionDecember 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number000000000005770

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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