Structure 70230306925211 · Allen County, LA

Old Pump RD over Calcasieu River

Carries Old Pump RD over Calcasieu River, 1.4 Mi North Of US 190.

Overall conditionFair

Set by its lowest-rated component: Substructure at 5 of 9.

How ratings work
Deck6/9 · Satisfactory
Superstructure6/9 · Satisfactory
Substructuresets the rating5/9 · Fair
Channelnot part of overall5/9 · Fair
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT268 FT OVERALL50 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

268 ft end to end, longest span 20 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.

Built196066 years old
Length268.0 ft81.7 m
Daily traffic581counted 2019
Last inspectedAugust 2023every 24 months

Location

StateLouisiana
CountyAllen
Location1.4 Mi North Of US 190
CarriesOld Pump RD
CrossesCalcasieu River
Coordinates30.51152, -92.86901

Physical Characteristics

MaterialWood or Timber
DesignStringer/Multi-beam
Total Length268.0 ft (81.7 m)
Max Span20.0 ft (6.1 m)
Deck Width24.0 ft (7.3 m)
Deck Area596.4 sq m
Main Spans14
Year Built1960

Traffic

Avg Daily Traffic581 (2019)
Lanes On Bridge2

Inspection & Ownership

Last InspectionAugust 2023
Inspection FrequencyEvery 24 months
OwnerCounty Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical3 — Scour critical
Structure Number070230306925211

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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