US 29 over Patuxent River

Fair Condition72 years old57,304 vehicles/day

Location

StateMaryland
CountyMontgomery
LocationOn Howard Co Line
CarriesUS 29
CrossesPatuxent River
Coordinates39.13140, -76.91930

Condition Ratings

Overall ConditionFair
Deck5 (Fair)
Superstructure5 (Fair)
Substructure5 (Fair)
Channel/Waterway7 (Good)
Scour Critical8 — Stable, low risk

Physical Characteristics

MaterialSteel Continuous
DesignGirder and Floorbeam
Total Length524.0 ft (159.7 m)
Max Span140.1 ft (42.7 m)
Deck Width76.1 ft (23.2 m)
Deck Area3705.0 sq m
Main Spans4
Year Built1954 (reconstructed 1985)

Traffic

Avg Daily Traffic57,304 (2024)
Truck Traffic8%
Lanes On Bridge4

Inspection & Ownership

Last InspectionOctober 2023
Inspection FrequencyEvery 24 months
OwnerState Highway Agency
Historical SignificanceBridge is not eligible for the National Register
Structure Number100000150034010

Nearby Bridges