Structure 720856 · Duval County, FL

Sr-105/sr-a1a over Simpson Creek

Carries Sr-105/sr-a1a over Simpson Creek, Sr-105 Over Simpson Creek.

Overall conditionGood

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

How ratings work
Decksets the rating9/9 · Excellent
Superstructuresets the rating9/9 · Excellent
Substructuresets the rating9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT127 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 9/9Superstructure 9/9Substructure 9/9

127 ft end to end, longest span 42 ft. 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 slab bridge.

Built20224 years old
Length127.0 ft38.7 m
Daily traffic5,000counted 2021
Last inspectedApril 2023every 24 months

Location

StateFlorida
CountyDuval
LocationSr-105 Over Simpson Creek
CarriesSr-105/sr-a1a
CrossesSimpson Creek
Coordinates30.46327, -81.43149

Physical Characteristics

MaterialPrestressed Concrete
DesignSlab
Total Length127.0 ft (38.7 m)
Max Span42.3 ft (12.9 m)
Deck Width57.4 ft (17.5 m)
Deck Area677.2 sq m
Main Spans3
Year Built2022

Traffic

Avg Daily Traffic5,000 (2021)
Truck Traffic5%
Lanes On Bridge1

Inspection & Ownership

Last InspectionApril 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical8 — Stable, low risk
Structure Number720856

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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