US Bridges

16th Street N.W. over Military RD

Good

District of Columbia, District of Columbia · 16th ST over Military RD · Structure no. 0209

Built
1958
67 years old, rebuilt 2015
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
77 ft
1 main span
Daily traffic
33,000
2018 count
Owner
State
State Highway Agency

About this bridge

16th Street N.W. over Military RD is a concrete stringer/multi-beam or girder carrying 16th Street N.W. over Military RD in District of Columbia, District of Columbia. It was built in 1958 and reconstructed in 2015, so it is 67 years old, older than the District of Columbia average of 63.7 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 33,000 vehicles a day, roughly 2% of them trucks, projected to reach 35,000 by 2025. The structure is 77 ft (23.4 m) long and 83 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Carries16th Street N.W.
CrossesMilitary RD
Location16th ST over Military RD
RouteU.S. Route 29
Coordinates38.96249, -77.03639
Functional classUrban Other Principal Arterial

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 inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.2 US tons
Inventory rating59 US tons

Structure

MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.4 m)
Longest span72 ft (21.9 m)
Deck width83 ft (25.2 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic33,000 (2018)
Projected traffic35,000 by 2025
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was 16th Street N.W. over Military RD built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 2015.

What condition is 16th Street N.W. over Military RD 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 August 2024.

How much traffic does 16th Street N.W. over Military RD carry?

About 33,000 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is 16th Street N.W. over Military RD?

The structure is 77 ft (23.4 m) long with a longest span of 72 ft (21.9 m) and a deck 83 ft wide.

Who owns 16th Street N.W. over Military RD?

It is owned by the State Highway Agency.