SOUTHWEST FREEWAY
SOUTHWEST FREEWAY in Southwest Frwy &2nd S, District of Columbia County, District of Columbia received a condition grade of C (56/100). Built in 1963, the bridge carries 253K vehicles daily on SOUTHWEST FREEWAY over Half ST To 2nd ST SW.
SOUTHWEST FREEWAY carries a C on the BridgeSafety Condition Score with 56/100. Component ratings sit in the middle of the FHWA NBI distribution; rehabilitation programming is likely on the owning agency’s medium-term horizon.
The bridge was built in 1963 and is now 63 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 252,820 vehicles, with 7 lane(s) crossing Half ST To 2nd ST SW. 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 63-year-old bridge located Southwest Frwy &2nd S in District of Columbia County, District of Columbia. The bridge carries SOUTHWEST FREEWAY over Half ST To 2nd ST SW with 7 traffic lanes, handling approximately 253K vehicles per day. Built in 1963 and reconstructed in 1991, the structure spans 240.5 meters.
The bridge received a Condition Grade of C (56/100) based on Federal Highway Administration inspection data. Its deck is rated 7/9 (good), superstructure 5/9 (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 56/100 (Grade C). Its deck is rated 7/9, superstructure 5/9, and substructure 5/9 on the NBI scale. The bridge is not classified as structurally deficient.
SOUTHWEST FREEWAY was built in 1963 and reconstructed in 1991, making it 63 years old. The average bridge age in the United States is 48 years.
SOUTHWEST FREEWAY carries approximately 253K vehicles per day (average daily traffic). The bridge has 7 traffic lanes. It is 240.5 meters long and located on SOUTHWEST FREEWAY in Southwest Frwy &2nd S, 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 Southwest Frwy &2nd S in District of Columbia County, District of Columbia. The bridge carries SOUTHWEST FREEWAY over Half ST To 2nd ST SW. Its coordinates are 38.882447, -77.012928. It is maintained by State Highway Agency.
SOUTHWEST FREEWAY carries SOUTHWEST FREEWAY over Half ST To 2nd ST SW. The bridge is 240.5 meters long and was built in 1963, 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.