How many bridges are in District of Columbia?

District of Columbia has 159 public highway bridges tracked in the FHWA National Bridge Inventory. View detailed condition data for each bridge on PlainBridges.

What percentage of bridges in District of Columbia are structurally deficient?

1.3% of bridges in District of Columbia are classified as structurally deficient by the FHWA, compared to a national average of 7.0%.

State profile · Below national median SD

District of Columbia bridge safety

Condition ratings, load ratings, and structural-deficiency data for every public highway bridge in District of Columbia — drawn straight from the FHWA National Bridge Inventory.

Reviewed byPlainbridges Editorial, Plain Bridges Editorial Team · June 5, 2026

159
Public bridges: 15.1%
Good condition: 1.3%
Poor condition: 1.3%
Structurally deficient

Total Bridges

159

Public highway bridges in District of Columbia

Good Condition

15.1%

24 bridges rated 7-9

-34.9pp vs 50% benchmark

Poor Condition

1.3%

2 bridges rated 0-4

Structurally Deficient

1.3%

2 bridges flagged for repair priority

-5.7pp vs national avg 7.0%

District of Columbia vs national bridge condition

District of Columbia — Good condition share 15.1%

National avg

Share of bridges rated 7-9 on the FHWA 0-9 scale (deck, superstructure, substructure all good).

District of Columbia — Structurally deficient share 4.2%

National avg

Lower is better. Bar maxes at 30% (worst-state ceiling). National average sits at 7.0%.

Condition Distribution

Bridge inventory deck-condition mix — District of Columbia (FHWA NBI)

Counties (1)

District of Columbia 159

District of Columbia vs nearby ranks

Adjacent states on the structurally deficient leaderboard (lower share = better)

States are ranked by share of bridges flagged structurally deficient — the FHWA classification for any span where deck, superstructure, or substructure carries a condition rating of 4 or below. Lower percentages indicate stronger maintenance funding and inspection follow-through. States here sit immediately above and below District of Columbia on the same metric.

Texas

1.13% top marginal rate

Structure: Progressive
Burden @ $100K: $56,740

Delaware

1.25% top marginal rate

Structure: Progressive
Burden @ $100K: $878

Selected

District of Columbia

1.26% top marginal rate

Structure: Progressive
Burden @ $100K: $159

Arizona

1.44% top marginal rate

Structure: Progressive
Burden @ $100K: $5,640

Georgia

1.49% top marginal rate

Structure: Progressive
Burden @ $100K: $15,216

Bridges Needing Most Attention in District of Columbia

Six lowest-condition bridges in District of Columbia, ranked by composite NBI rating. Each is inspected at least every 24 months.

JOYCE ROAD

Poor

Over: LUZON BRANCH

0.3 MILES TO BEACH DRIVE., District of Columbia, DC

Built 1950 Load: 11.8 t ADT: 2,100

EDGEWATER STABLE A

Poor

Over: ROCK CREEK

0.3 MILES FROM CONNECTICU, District of Columbia, DC

Built 1958 Load: 36.3 t ADT: 50

All Bridges in District of Columbia

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Publisher	Kiznis Studio
Sources	FHWA National Bridge Inventory, public U.S. government datasets

District of Columbia vs national bridge condition

Condition Distribution

Counties (1)

Bridges Needing Most Attention in District of Columbia

JOYCE ROAD

EDGEWATER STABLE A

All Bridges in District of Columbia

JOYCE ROAD

CONNECTICUT AVE.

BROAD BRANCH ROAD

Ramps E & F

KENILWORTH AVE

HARVARD STREET

ROCK CREEK PARKWAY

GLOVER ROAD

E RAMP TO WH FRWY

ANACOSTIA FREEWAY

BEACH DRIVE

ROUTE 29

KLINGLE ROAD, N.W.

NEW HAMPSHIRE AVE

BEACH DRIVE

CHAIN BRIDGE

9th Street, N.W.

Anacostia Avenue,

PARK ROAD, N.W.

WHEELER ROAD, S.E.

GWMP (SB)

SOUTHERN AVENUE

OHIO DRIVE

K STREET, N.W.

SHERRILL DRIVE

M Street, N.W.

GWMP (NB)

THOMPSON BOAT CENT

55TH STREET, N.E.

EAST BASIN DRIVE

S. Capitol Street

12TH STREET,S.W.

ROCK CREEK PARKWAY

INDEPENDENCE AVENU

NEW YORK AVENUE

Southeast Freeway

ZOO SERVICE ROAD

Kalmia Road, N.W.

MEADOW ROAD NE

BEECHWOOD ROAD

CRABTREE ROAD NE

TAYLOR STREET

MEMORIAL AVENUE

31ST STREET N.W.

58TH STREET N.E.

GWMP

MONROE STREET, NE

44TH STREET N.E.

BENNING ROAD

GAULT PLACE

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