US Bridges

Benning RD N.E. over Kingman Lake

Good

District of Columbia, District of Columbia · Benning RD over Lake · Structure no. 0077

Built
1934
91 years old, rebuilt 2000
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
62 ft
1 main span
Daily traffic
36,300
2007 count
Owner
State
State Highway Agency

About this bridge

Benning RD N.E. over Kingman Lake is a steel stringer/multi-beam or girder carrying Benning RD N.E. over Kingman Lake in District of Columbia, District of Columbia. It was built in 1934 and reconstructed in 2000, so it is 91 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 36,300 vehicles a day, roughly 4% of them trucks, projected to reach 55,000 by 2027. The structure is 62 ft (18.9 m) long and 114 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesBenning RD N.E.
CrossesKingman Lake
LocationBenning RD over Lake
RouteCity Street 0
Coordinates38.93071, -76.96558
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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.5 US tons
Inventory rating41 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length62 ft (18.9 m)
Longest span58 ft (17.8 m)
Deck width114 ft (34.7 m)
Roadway width80 ft (24.4 m)
Vertical clearance over deck23 ft (6.9 m)

Traffic and service

Average daily traffic36,300 (2007)
Projected traffic55,000 by 2027
Trucks4%
Lanes on structure7
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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$3.8 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Benning RD N.E. over Kingman Lake built?

It was built in 1934, making it 91 years old in 2025. It was reconstructed in 2000.

What condition is Benning RD N.E. over Kingman Lake 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 February 2023.

How much traffic does Benning RD N.E. over Kingman Lake carry?

About 36,300 vehicles per day (2007 count), of which roughly 4% are trucks.

How long is Benning RD N.E. over Kingman Lake?

The structure is 62 ft (18.9 m) long with a longest span of 58 ft (17.8 m) and a deck 114 ft wide.

Who owns Benning RD N.E. over Kingman Lake?

It is owned by the State Highway Agency.