Structure 6773 · Bucks County, PA

U.s. Route 13 over Tyburn Road

Carries U.s. Route 13 over Tyburn Road, 2mi.s.morrisvill 38h09.

Overall conditionPoor

Set by its lowest-rated component: Superstructure at 4 of 9.

How ratings work
Deck7/9 · Good
Superstructuresets the rating4/9 · Poor
Substructure6/9 · Satisfactory
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
SEMI-TRUCK · 72 FT148 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 4/9 · sets the ratingSubstructure 6/9

148 ft end to end, longest span 75 ft: 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 multi-beam bridge.

Built1954rebuilt 2005
Length148.0 ft45.1 m
Daily traffic24,470counted 2024
Last inspectedFebruary 2023every 24 months

Location

StatePennsylvania
CountyBucks
Location2mi.s.morrisvill 38h09
CarriesU.s. Route 13
CrossesTyburn Road
Coordinates40.18116, -74.80906

Physical Characteristics

MaterialSteel
DesignStringer/Multi-beam
Total Length148.0 ft (45.1 m)
Max Span75.1 ft (22.9 m)
Deck Width77.4 ft (23.6 m)
Deck Area1064.4 sq m
Main Spans3
Year Built1954 (reconstructed 2005)

Traffic

Avg Daily Traffic24,470 (2024)
Truck Traffic14%
Lanes On Bridge2
Lanes Under Bridge4

Inspection & Ownership

Last InspectionFebruary 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure Number000000000006773

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.

Nearby Bridges