US Bridges

Dustin Road over US 29

Good

Montgomery County, Maryland · 0.05 M E of Columbia Pike · Structure no. 100000150185010

Built
2003
22 years old
Condition
Good
inspected July 2023
Type
Girder and Floorbeam System
Steel Continuous
Length
211 ft
2 main spans
Daily traffic
999
2009 count
Owner
State
State Highway Agency

About this bridge

Dustin Road over US 29 is a steel continuous girder and floorbeam system carrying Dustin Road over US 29 in Montgomery County, Maryland. It was built in 2003, so it is 22 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 999 vehicles a day, projected to reach 1,152 by 2026. The structure is 211 ft (64.3 m) long and 52 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesDustin Road
CrossesUS 29
Location0.05 M E of Columbia Pike
RouteCounty Highway 87
CountyMontgomery County
StateMaryland
Coordinates39.12217, -76.92544
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating91.5 US tons
Inventory rating55 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length211 ft (64.3 m)
Longest span103 ft (31.4 m)
Deck width52 ft (15.7 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic999 (2009)
Projected traffic1,152 by 2026
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Dustin Road over US 29 built?

It was built in 2003, making it 22 years old in 2025.

What condition is Dustin Road over US 29 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in July 2023.

How much traffic does Dustin Road over US 29 carry?

About 999 vehicles per day (2009 count).

How long is Dustin Road over US 29?

The structure is 211 ft (64.3 m) long with a longest span of 103 ft (31.4 m) and a deck 52 ft wide.

Who owns Dustin Road over US 29?

It is owned by the State Highway Agency.