Structure 20631 · Lackawanna County, PA

SR 0438 Tr 438 over South Br Tunkhannock CR

Carries SR 0438 Tr 438 over South Br Tunkhannock CR, Scott Twp Jct Tr 524.

Overall conditionFair

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

How ratings work
Decksets the rating5/9 · Fair
Superstructuresets the rating5/9 · Fair
Substructuresets the rating5/9 · Fair
Channelnot part of overall6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT39 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 5/9Superstructure 5/9Substructure 5/9

39 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 tee-beam bridge.

Built1928rebuilt 1982
Length39.0 ft11.9 m
Daily traffic1,453counted 2024
Last inspectedJuly 2024every 24 months

Location

StatePennsylvania
CountyLackawanna
LocationScott Twp Jct Tr 524
CarriesSR 0438 Tr 438
CrossesSouth Br Tunkhannock CR
Coordinates41.56891, -75.63272

Physical Characteristics

MaterialConcrete
DesignTee Beam
Total Length39.0 ft (11.9 m)
Max Span35.1 ft (10.7 m)
Deck Width33.5 ft (10.2 m)
Deck Area121.4 sq m
Main Spans1
Year Built1928 (reconstructed 1982)

Traffic

Avg Daily Traffic1,453 (2024)
Truck Traffic6%
Lanes On Bridge2

Inspection & Ownership

Last InspectionJuly 2024
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour Critical5 — Stable for scour
Structure Number000000000020631

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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