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

US 421 SB

Unknown

Over: US421

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

Built 2019 ADT: 30,250

US52S

Unknown

Over: US52

0.2 MI. E. JCT. SR1898, Forsyth, NC

Built 1962 ADT: 22,250

SR1620

Unknown

Over: SR1620

1.5 MI. N. JCT. SR1632, Forsyth, NC

Built 2014 ADT: 500

SR4000S

Unknown

Over: SR4000

1.0 MI. W. JCT. SR1725, Forsyth, NC

Built 1972 ADT: 15,000

TWENTIETH STREET

Unknown

Over: 20TH STREET

1.0 MI. N. JCT. SR1508, Forsyth, NC

Built 2010 ADT: 1,000

I40W,US311N

Unknown

Over: I40 & US311

0.4 MI. N. JCT. US52, Forsyth, NC

Built 1973 ADT: 51,500

SR1620

Unknown

Over: SR1620

1.5 MI. N. JCT. SR1632, Forsyth, NC

Built 2014 ADT: 1,800

US 421 NB

Unknown

Over: US421

300 FT.N.JCT.SR40008, Forsyth, NC

Built 2019 ADT: 22,688

CLEMMONSVILLE ROAD

Unknown

Over: CLEMMONSVILLE ROAD

0.4 MI. E. JCT. SR2743, Forsyth, NC

Built 1980 ADT: 12,000

WILLARD ROAD

Unknown

Over: WILLARD ROAD

1.1 MI. E. JCT. NC109, Forsyth, NC

Built 1980 ADT: 3,800

SALEM AVENUE

Unknown

Over: SALEM AVE.,SOU.RR. RESPW

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

Built 1998 ADT: 2,400

US52S

Unknown

Over: US52

1.8 MI. N. JCT. SR1634, Forsyth, NC

Built 2011 ADT: 20,500

US52S,US311S,NC8S

Unknown

Over: US52, US311 & NC8

0.3 MI.W. JCT. US311&NC8, Forsyth, NC

Built 1958 ADT: 39,000

LOWERY STREET

Unknown

Over: LOWERY STREET

0.8 MI. E. JCT. SR4325, Forsyth, NC

Built 1958 ADT: 13,000

US158E

Unknown

Over: US158 EBL

2.0 MI. E. JCT. US311, Forsyth, NC

Built 2006 ADT: 10,500

US158E

Unknown

Over: US158 EBL

2.0 MI. E. JCT. US311, Forsyth, NC

Built 2006 ADT: 8,500

I40W,US421N,NC150W

Unknown

Over: I40 BUS, US421, NC150

0.1 MI. S. JCT. SR2377, Forsyth, NC

Built 1961 ADT: 21,750

I40 W

Unknown

Over: I40 BUS/US 421

0.7 MI. S. JCT. SR2377, Forsyth, NC

Built 2014 ADT: 21,750

I40E,US421S

Unknown

Over: I40 BUS

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

Built 2012 ADT: 25,000

I40W,US421N

Unknown

Over: I40 BUS, US421

0.1 MI. S. JCT. SR2042, Forsyth, NC

Built 2014 ADT: 25,000

GLENN AVENUE

Unknown

Over: GLENN AVENUE

0.4 MI. E. SR1763, Forsyth, NC

Built 2001 ADT: 2,900

FIFTH STREET

Unknown

Over: FIFTH STREET

.06 MI.N.JCT.FOURTH ST., Forsyth, NC

Built 1923 ADT: 3,400

I74E,US311S

Unknown

Over: I74, US311

0.4 MI. E. JCT. SR2692, Forsyth, NC

Built 1981 ADT: 17,000

I74W,US311N

Unknown

Over: I74, US311

0.4 MI. N. JCT. SR2699, Forsyth, NC

Built 1981 ADT: 18,750

SR2699

Unknown

Over: SR2699

0.4 MI. N. JCT. SR2698, Forsyth, NC

Built 1981 ADT: 3,000

SR2699

Unknown

Over: SR2699

0.4 MI. N. JCT. SR2698, Forsyth, NC

Built 1981 ADT: 3,000

I74E,US311S

Unknown

Over: I74, US311

0.6 MI.N.JCT.SR1003, Forsyth, NC

Built 1982 ADT: 17,250

I74W, US311N

Unknown

Over: I74, US311

0.4 MI. S. JCT. SR2624, Forsyth, NC

Built 1982 ADT: 17,000

I74W,US311N

Unknown

Over: I74, US311

0.4 MI. S. JCT. SR1003, Forsyth, NC

Built 1982 ADT: 13,500

US52N

Unknown

Over: US52

.05 MI.W. JCT.US52N RAMP, Forsyth, NC

Built 1986 ADT: 19,750

I74E,US311S

Unknown

Over: I74 EBL, US311 SBL RAMP

1.54 MI. E. JCT. SR4325, Forsyth, NC

Built 1989 ADT: 6,500

I74E,US311S

Unknown

Over: I74EBL, US311SBL RAMP

0.4 MI.E.JCT.SR2700, Forsyth, NC

Built 1989 ADT: 6,500

I74W,US311N

Unknown

Over: I74, US311 WBL

0.5 MI. E. JCT. SR2700, Forsyth, NC

Built 1989 ADT: 16,000

I74W,US311N

Unknown

Over: I74, US311 WBL

0.5 MI.E.JCT.SR2700, Forsyth, NC

Built 1989 ADT: 16,000

I40E

Unknown

Over: I40

0.4 MI. S. JCT. SR1122, Forsyth, NC

Built 1989 ADT: 23,250

I40W

Unknown

Over: I40

0.3 MI. N. JCT. SR2679, Forsyth, NC

Built 1990 ADT: 26,000

SR1528S

Unknown

Over: SR1528

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

Built 1990 ADT: 17,500

I40W

Unknown

Over: I40

0.3 MI.S.JCT.SR2640, Forsyth, NC

Built 1990 ADT: 36,000

I40E

Unknown

Over: I40

0.2 MI. S. JCT. NC 67, Forsyth, NC

Built 1990 ADT: 49,000

I40W

Unknown

Over: I40

0.2 MI.N.JCT.SR3153, Forsyth, NC

Built 1990 ADT: 36,000

I40W

Unknown

Over: I40

0.5 MI. S. JCT. NC66, Forsyth, NC

Built 1990 ADT: 27,500

I40W

Unknown

Over: I40

0.1 MI. N. JCT. SR2713, Forsyth, NC

Built 1990 ADT: 43,000

I40W

Unknown

Over: I40, I40 BUS,US421

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

Built 1990 ADT: 7,500

SR1528N

Unknown

Over: SR1528

1.7 MI. N. JCT. SR1348, Forsyth, NC

Built 1991 ADT: 17,500

I40W

Unknown

Over: I40

0.1 MI. E. JCT. SR2637, Forsyth, NC

Built 1991 ADT: 28,500

WESTGATE DRIVE

Unknown

Over: WESTGATE DRIVE

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

Built 1991 ADT: 11,000

WESTGATE DRIVE

Unknown

Over: WESTGATE DRIVE

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

Built 1991 ADT: 11,000

SR3153

Unknown

Over: SR3153

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

Built 1991 ADT: 26,500

SR3153

Unknown

Over: SR3153

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

Built 1991 ADT: 27,000

I40E

Unknown

Over: I40

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

Built 1991 ADT: 58,000

Showing 851-900 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.