SOUTHWEST FREEWAY
SOUTHWEST FREEWAY in S.Capitol ST Ramp G SW Fy, District of Columbia County, District of Columbia received a condition grade of B (61/100). Built in 1965, the bridge carries 155K vehicles daily on SOUTHWEST FREEWAY over South Capitol Street.
SOUTHWEST FREEWAY carries a B on the BridgeSafety Condition Score with 61/100. Most component ratings are solid; one or two may show wear consistent with the structure’s age, but the bridge is not flagged as structurally deficient.
The bridge was built in 1965 and is now 61 years old, at or past the typical 50-year design life for bridges of its vintage. Maintenance and inspection cycles are correspondingly more involved than for newer structures. SOUTHWEST FREEWAY carries an average daily traffic count of 155,000 vehicles, with 7 lane(s) crossing South Capitol Street. The owning agency is State Highway Agency; bridge inspection records flow into the federal NBI database annually.
Component Ratings
The riding surface, evaluated for cracking, spalling, and wear
Beams, girders, and trusses that support the deck
Piers, abutments, and foundations below the deck
Bridge Details
About This Bridge
SOUTHWEST FREEWAY is a 61-year-old bridge located S.Capitol ST Ramp G SW Fy in District of Columbia County, District of Columbia. The bridge carries SOUTHWEST FREEWAY over South Capitol Street with 7 traffic lanes, handling approximately 155K vehicles per day. Built in 1965 and reconstructed in 1991, the structure spans 167.9 meters.
The bridge received a Condition Grade of B (61/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 6/9 (fair), and substructure 5/9 (fair).
This bridge is owned and maintained by State Highway Agency.
Location Map
Frequently Asked Questions
SOUTHWEST FREEWAY has a Condition Score of 61/100 (Grade B). Its deck is rated 7/9, superstructure 6/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
SOUTHWEST FREEWAY was built in 1965 and reconstructed in 1991, making it 61 years old. The average bridge age in the United States is 48 years.
SOUTHWEST FREEWAY carries approximately 155K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 167.9 meters long and located on SOUTHWEST FREEWAY in S.Capitol ST Ramp G SW Fy, District of Columbia County, District of Columbia.
No, SOUTHWEST FREEWAY is not classified as structurally deficient. All three primary components (deck, superstructure, and substructure) are rated above 4 on the 0-9 NBI scale.
SOUTHWEST FREEWAY is located S.Capitol ST Ramp G SW Fy in District of Columbia County, District of Columbia. The bridge carries SOUTHWEST FREEWAY over South Capitol Street. Its coordinates are 38.881456, -77.008494. It is maintained by State Highway Agency.
SOUTHWEST FREEWAY carries SOUTHWEST FREEWAY over South Capitol Street. The bridge is 167.9 meters long and was built in 1965, with reconstruction in 1991.
Condition Score is calculated from deck (33%), superstructure (33%), and substructure (34%) NBI ratings with an age penalty for bridges over 50 years.
Source: FHWA National Bridge Inventory, 2026.