State profile · Near national median SD

North Carolina bridge safety

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

18,901
Public bridges
35.8%
Good condition
6.2%
Poor condition
6.2%
Structurally deficient

Total Bridges

18,901

Public highway bridges in North Carolina

Good Condition

35.8%

6,773 bridges rated 7-9

-14.2pp vs 50% benchmark

Poor Condition

6.2%

1,165 bridges rated 0-4

Structurally Deficient

6.2%

1,165 bridges flagged for repair priority

-0.8pp vs national avg 7.0%

North Carolina vs national bridge condition

North Carolina — Good condition share 35.8%
National avg

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

North Carolina — Structurally deficient share 20.5%
National avg

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

North Carolina 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 North Carolina on the same metric.

45

South Carolina

6.10% top marginal rate
Structure
Progressive
Burden @ $100K
$5,396

55

Wisconsin

6.13% top marginal rate
Structure
Progressive
Burden @ $100K
$14,851
Selected

37

North Carolina

6.16% top marginal rate
Structure
Progressive
Burden @ $100K
$18,901

15

Hawaii

6.47% top marginal rate
Structure
Progressive
Burden @ $100K
$1,206

30

Montana

6.70% top marginal rate
Structure
Progressive
Burden @ $100K
$5,122

Bridges Needing Most Attention in North Carolina

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

All Bridges in North Carolina

US52S,US311S,NC8S

Unknown

Over: US52, US311 & NC8

0.4 MI.W.JCT.SR4394, Forsyth, NC

Built 1963 ADT: 45,500

I40W

Unknown

Over: I40

0.3 MI. S. JCT. SR1243, Forsyth, NC

Built 1988 ADT: 31,500

US421S

Unknown

Over: US421

100 FT. N. JCT. SR1161, Forsyth, NC

Built 1959 ADT: 23,750

US52S,US311S,NC8S

Unknown

Over: US52, US311 & NC8

0.4 MI. W. JCT. SR4394, Forsyth, NC

Built 1964 ADT: 45,500

PATTERSON AVENUE

Unknown

Over: PATTERSON AVENUE

0.3 MI. W. JCT. US52, Forsyth, NC

Built 1980 ADT: 5,900

PATTERSON AVENUE

Unknown

Over: PATTERSON AVENUE

0.2 MI. E. JCT. US52, Forsyth, NC

Built 2003 ADT: 7,600

US421S

Unknown

Over: US421

0.9 MI. S. JCT. SR1160, Forsyth, NC

Built 2004 ADT: 23,750

US311W

Unknown

Over: US311

.8 MI. N. JCT.US58/US421, Forsyth, NC

Built 1963 ADT: 8,000

I40W

Unknown

Over: US421

0.8 MI. S. JCT. NC67, Forsyth, NC

Built 1959 ADT: 31,000

SR2456

Unknown

Over: SR2456

0.2 MI. N. JCT. US311, Forsyth, NC

Built 1964 ADT: 5,200

US 421 W

Unknown

Over: US421

2.87 MI.N.JCT.SR1103, Forsyth, NC

Built 2019 ADT: 31,000

US421 S RAMP

Unknown

Over: US421

0.5 MI. W. JCT. US158, Forsyth, NC

Built 1959 ADT: 6,200

LIBERTY STREET CON

Unknown

Over: LIBERTY STREET CONNECTOR

0.25 MI. N. JCT. US311, Forsyth, NC

Built 1963 ADT: 6,300

NORTHWEST BLVD.

Unknown

Over: NORTHWEST BLVD.

.46 MI. N. JCT. US311, Forsyth, NC

Built 1963 ADT: 4,000

US421S

Unknown

Over: US421

0.75 MI. W. JCT. I40, Forsyth, NC

Built 1992 ADT: 27,500

NC150S

Unknown

Over: NC150

0.1 MI. E. JCT. NC67, Forsyth, NC

Built 1956 ADT: 12,500

US52S

Unknown

Over: US52 & NC8

0.2 MI. E. JCT. SR1801, Forsyth, NC

Built 1964 ADT: 39,500

I40W

Unknown

Over: US421

0.7 MI. N. JCT. US158, Forsyth, NC

Built 1956 ADT: 28,750

US52SNC8S

Unknown

Over: US52

1.7 MI. N. JCT. I40 BUS., Forsyth, NC

Built 1964 ADT: 39,000

I40W

Unknown

Over: I40 BUS

0.5 MI. N. JCT. US158, Forsyth, NC

Built 1956 ADT: 29,500

I40W,BUS

Unknown

Over: I40 BUS WBL

0.6 MI. E. JCT. SR1122, Forsyth, NC

Built 1992 ADT: 36,500

TWENTYFIFTH ST.

Unknown

Over: 25TH STREET

0.3 MI. S. JCT. SR2456, Forsyth, NC

Built 1964 ADT: 3,400

MILLER ST

Unknown

Over: MILLER ST. & SOUTHERN RR

0.3 MI. E. JCT.US158, Forsyth, NC

Built 1956 ADT: 16,000

CITY ST WBL

Unknown

Over: 28TH STREET

0.2 MI. S. JCT. SR2456, Forsyth, NC

Built 1964 ADT: 2,400

SR2456

Unknown

Over: SR2456 & N.S.RAILROAD

0.9 MI. S. JCT. SR2264, Forsyth, NC

Built 2012 ADT: 9,800

SR 2456

Unknown

Over: SR2456 & N.S. RAILWAY

0.9 MI. S. JCT. SR2264, Forsyth, NC

Built 2012 ADT: 12,000

CLOVERDALE AVE.

Unknown

Over: EDEN,HAWTHORN&CLOVERDALE

0.7 MI. E. JCT. US158, Forsyth, NC

Built 2000 ADT: 14,000

GLENNAVENUE

Unknown

Over: GLENN AVENUE

0.3 MI. S. JCT. SR2264, Forsyth, NC

Built 1964 ADT: 3,600

CRAFTON STREET

Unknown

Over: CRAFTON STREET

0.2 MI. E. JCT. NC150, Forsyth, NC

Built 1955 ADT: 150

US52S

Unknown

Over: US52

0.7 MI. W. JCT. SR2456, Forsyth, NC

Built 1964 ADT: 37,750

SR1825

Unknown

Over: SR1825 (PATTERSON AVE.)

0.7 MI. N. JCT. SR2264, Forsyth, NC

Built 1962 ADT: 12,000

SR1825

Unknown

Over: SR1825 (PATTERSON AVE.)

0.7 MI. N. JCT. SR2264, Forsyth, NC

Built 1962 ADT: 12,000

US 421 S

Unknown

Over: I40 BUS,US421,US158

0.2 MI.N.JCT.NC150, Forsyth, NC

Built 2019 ADT: 7,500

SR1733

Unknown

Over: SR1733 (MOTOR ROAD)

0.8 MI. S. JCT. SR1725, Forsyth, NC

Built 1962 ADT: 5,600

SR1733

Unknown

Over: SR1733 (MOTOR ROAD)

0.8 MI. S. JCT. SR1725, Forsyth, NC

Built 1962 ADT: 5,600

NC67S

Unknown

Over: NC67

0.2 MI. E. JCT. SR1372, Forsyth, NC

Built 1963 ADT: 21,000

NC67S

Unknown

Over: NC67

1.3MI.W.JCT.KNOLLWOOD ST, Forsyth, NC

Built 1960 ADT: 31,500

NC67S

Unknown

Over: NC67

0.4MI.W.JCT.SHERWDFRST RD, Forsyth, NC

Built 1960 ADT: 27,000

I40W

Unknown

Over: I40 BUS, US158, US421

1.7 MI. N. JCT. I-40, Forsyth, NC

Built 2018 ADT: 35,500

US52S

Unknown

Over: US52

0.5 MI.W.JCT.NC8, Forsyth, NC

Built 1962 ADT: 48,000

SR4000S

Unknown

Over: SR4000

1.1 MI. E. JCT. NC67, Forsyth, NC

Built 1968 ADT: 6,000

BROOKSTOWN AVENUE

Unknown

Over: BROOKSTOWN AVENUE

0.4M. E. JCT. SR3013, Forsyth, NC

Built 2020 ADT: 1,200

US52S

Unknown

Over: US52

0.55 MI. E. JCT. SR1672, Forsyth, NC

Built 1962 ADT: 48,000

US52N

Unknown

Over: US52

0.2 MI. W. JCT. SR4000, Forsyth, NC

Built 1962 ADT: 25,000

US52S

Unknown

Over: US52

0.5 MI. W. JCT. SR4000, Forsyth, NC

Built 1962 ADT: 24,750

I40 W

Unknown

Over: I40 BUS

0.1M. N. JCT. SR4008, Forsyth, NC

Built 2020 ADT: 30,250

NC67N

Unknown

Over: NC67

0.1MI.N.JCT.BURKE MILL RD, Forsyth, NC

Built 1968 ADT: 13,000

I40 W

Unknown

Over: I40 BUS

0.1 MI. N. JCT. SR4008, Forsyth, NC

Built 2020 ADT: 30,250

US52N

Unknown

Over: US52 NBL

0.8 MI. W. JCT. NC66, Forsyth, NC

Built 1964 ADT: 28,250

I 40W BUS

Unknown

Over: I-40 BUS.I-40 BUS./US 4

0.75 MI. S. JCT. SR2516, Forsyth, NC

Built 2020 ADT: 30,250

Showing 801-850 of 18,901 bridges

Data sourced from the FHWA National Bridge Inventory (NBI), latest released cycle. See our methodology for details. Retrieved and formatted by PlainBridges Editorial.

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the FHWA National Bridge Inventory (NBI). A "structurally deficient" rating is a repair-priority signal, not a closure or unsafe-to-cross designation. Consult a qualified civil engineer before making decisions based on this data.