Structure 160087 · Polk County, FL

Nichols RD Cr-676 over N. Prong Alafia River

Carries Nichols RD Cr-676 over N. Prong Alafia River, 1mi Southwest Of Sr-60.

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 overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT301 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 6/9 · sets the rating

301 ft end to end, longest span 43 ft: about 4 semi-trucks nose to tail. 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 multi-beam bridge.

Built197155 years old
Length300.9 ft91.7 m
Daily traffic1,921counted 2023
Last inspectedSeptember 2023every 24 months

Location

StateFlorida
CountyPolk
Location1mi Southwest Of Sr-60
CarriesNichols RD Cr-676
CrossesN. Prong Alafia River
Coordinates27.89056, -82.01286

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length300.9 ft (91.7 m)
Max Span43.0 ft (13.1 m)
Deck Width39.7 ft (12.1 m)
Deck Area1109.6 sq m
Main Spans7
Year Built1971

Traffic

Avg Daily Traffic1,921 (2023)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionSeptember 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number160087

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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