Structure 31407 · Somerset County, PA

US 219 Nbl over US 30

Carries US 219 Nbl over US 30, Over US 30.

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
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT157 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 6/9Superstructure 6/9Substructure 5/9 · sets the rating

157 ft end to end: about 2 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 box-beam bridge.

Built1968rebuilt 2010
Length157.2 ft47.9 m
Daily traffic6,744counted 2024
Last inspectedMay 2023every 24 months

Location

StatePennsylvania
CountySomerset
LocationOver US 30
CarriesUS 219 Nbl
CrossesUS 30
Coordinates40.13850, -79.01151

Physical Characteristics

MaterialPrestressed Concrete
DesignBox Beam - Multiple
Total Length157.2 ft (47.9 m)
Max Span86.9 ft (26.5 m)
Deck Width44.0 ft (13.4 m)
Deck Area641.9 sq m
Main Spans1
Year Built1968 (reconstructed 2010)

Traffic

Avg Daily Traffic6,744 (2024)
Truck Traffic7%
Lanes On Bridge2
Lanes Under Bridge5

Inspection & Ownership

Last InspectionMay 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000031407

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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