Structure 35282 · St. Louis County, MO

Woods RD over Hamilton CR

Carries Woods RD over Hamilton CR, S 14 T 44 N R 3 E.

Overall conditionFair

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

How ratings work
Decksets the rating6/9 · Satisfactory
Superstructure7/9 · Good
Substructure9/9 · Excellent
Channelnot part of overall8/9 · Very Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT78 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9 · sets the ratingSuperstructure 7/9Substructure 9/9

78 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 box-beam bridge.

Built201610 years old
Length78.1 ft23.8 m
Daily traffic1,000counted 2023
Last inspectedJanuary 2024every 24 months

Location

StateMissouri
CountySt. Louis
LocationS 14 T 44 N R 3 E
CarriesWoods RD
CrossesHamilton CR
Coordinates38.55583, -90.64322

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Single/Spread
Total Length78.1 ft (23.8 m)
Max Span74.5 ft (22.7 m)
Deck Width36.4 ft (11.1 m)
Deck Area264.2 sq m
Main Spans1
Year Built2016

Traffic

Avg Daily Traffic1,000 (2023)
Truck Traffic1%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJanuary 2024
Inspection FrequencyEvery 24 months
OwnerCity/Municipal Highway Agency
Historical SignificanceHistorical significance is not determined
Scour Critical8 — Stable, low risk
Structure Number35282

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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