US Bridges

Military Road over Rock Creek & Beach D

Good

District of Columbia, District of Columbia · Military RD over Rock CR · Structure no. 0229

Built
1956
69 years old, rebuilt 1998
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
220 ft
3 main spans
Daily traffic
25,800
2018 count
Owner
State
State Highway Agency

About this bridge

Military Road over Rock Creek & Beach D is a steel continuous stringer/multi-beam or girder carrying Military Road over Rock Creek & Beach D in District of Columbia, District of Columbia. It was built in 1956 and reconstructed in 1998, so it is 69 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 25,800 vehicles a day, roughly 2% of them trucks, projected to reach 25,800 by 2027. The structure is 220 ft (67.1 m) long and 72 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMilitary Road
CrossesRock Creek & Beach D
LocationMilitary RD over Rock CR
RouteCity Street 0
Coordinates38.96104, -77.04444
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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating40.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length220 ft (67.1 m)
Longest span83 ft (25.3 m)
Deck width72 ft (21.8 m)
Roadway width55 ft (16.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,800 (2018)
Projected traffic25,800 by 2027
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway and waterway
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$6.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Military Road over Rock Creek & Beach D built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 1998.

What condition is Military Road over Rock Creek & Beach D 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 April 2024.

How much traffic does Military Road over Rock Creek & Beach D carry?

About 25,800 vehicles per day (2018 count), of which roughly 2% are trucks.

How long is Military Road over Rock Creek & Beach D?

The structure is 220 ft (67.1 m) long with a longest span of 83 ft (25.3 m) and a deck 72 ft wide.

Who owns Military Road over Rock Creek & Beach D?

It is owned by the State Highway Agency.