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

I85S,US29S,US70W

Unknown

Over: I85BUS.LOOP/US29/US70

1.2 MI. E. JCT. SR1254, Guilford, NC

Built 2003 ADT: 16,000

US29S

Unknown

Over: US29

0.8 MI. N. JCT. US220, Guilford, NC

Built 1956 ADT: 27,000

SR2526N

Unknown

Over: SR2526N

1.2 MI. N. JCT. US70, Guilford, NC

Built 1956 ADT: 7,250

SR1401W

Unknown

Over: SR1401

1.3 MI. S. JCT. NC6, Guilford, NC

Built 1966 ADT: 25,500

SR4239E, NC6E

Unknown

Over: SR4239E

1.3 MI. E. JCT. SR1541, Guilford, NC

Built 2003 ADT: 8,000

US421N

Unknown

Over: US421

0.20 MI.N.JCT.SR3392, Guilford, NC

Built 1970 ADT: 9,000

US29N,US70E,US220N

Unknown

Over: US29N,US70E,US220N

0.2 MI. N. JCT. US421, Guilford, NC

Built 2016 ADT: 34,750

SR1452N

Unknown

Over: US220S, SR1452

1.8 MI. S. JCT. US29A, Guilford, NC

Built 1968 ADT: 16,000

I40W

Unknown

Over: I40

0.5 MI. N. JCT. NC6, Guilford, NC

Built 2003 ADT: 55,000

US29N,US70E,US220N

Unknown

Over: US29, US70, US220

0.9 MI. E. JCT. SR3762, Guilford, NC

Built 1953 ADT: 34,750

I40E

Unknown

Over: I40

0.6 MI. N. JCT. NC6, Guilford, NC

Built 2003 ADT: 55,000

SR4240

Unknown

Over: SR4240

1.23 MI. N. JCT. I40, Guilford, NC

Built 2004 ADT: 17,000

I40E,I85N,US29N,US

Unknown

Over: I40, I85 BUSINESS

2.4 MI. N. JCT I85, Guilford, NC

Built 1955 ADT: 69,500

SR4121S

Unknown

Over: SR4121

1.3 MI. W. OF JCT. US220, Guilford, NC

Built 1976 ADT: 14,500

US29N.US70E,US220N

Unknown

Over: US29/70, US220

0.2 MI.W. JCT.SR4240, Guilford, NC

Built 2004 ADT: 36,500

I40W

Unknown

Over: I40

0.6 M. N. JCT. SR1323, Guilford, NC

Built 1996 ADT: 59,000

US158W

Unknown

Over: US158

1.4 MI. N. JCT.US73, Guilford, NC

Built 2019 ADT: 4,425

I40W, US220S

Unknown

Over: I40 & US220

1.25 MI. N. JCT. I85 BUS., Guilford, NC

Built 1995 ADT: 50,000

I40W,I85S,US29S,US

Unknown

Over: I40, I85 BUS, US29/70/22

0.3 MI. W. JCT. SR1401, Guilford, NC

Built 1967 ADT: 68,000

US29S,US70W,US220S

Unknown

Over: US29, US70, US220

0.66 MI. E. JCT. SR2526, Guilford, NC

Built 1956 ADT: 32,000

US29S,US70W,US220S

Unknown

Over: US29, US70, US220

0.5 MI. E. JCT. SR2526, Guilford, NC

Built 1956 ADT: 32,750

I85S

Unknown

Over: I85S,BUS

0.25 MI. W. JCT. SR1007, Guilford, NC

Built 2009 ADT: 22,500

SR3762S

Unknown

Over: SR3762

1.17 MI. E. JCT. SR3300, Guilford, NC

Built 1954 ADT: 14,500

SR3762S

Unknown

Over: SR 3762

1.17 MI. E. JCT. SR3300, Guilford, NC

Built 1954 ADT: 14,500

SR2526N

Unknown

Over: US29,SR2526N.

1.0 MI. N. JCT. US220, Guilford, NC

Built 1956 ADT: 7,500

US29S

Unknown

Over: US29

0.03 MI.E.JCT.SUMMIT AVE., Guilford, NC

Built 1976 ADT: 31,000

US29N,US70W,US220N

Unknown

Over: US29, US70 & US220 NBL

0.3 MI N JCT SR1401, Guilford, NC

Built 1995 ADT: 32,000

US29N,US70E,US220N

Unknown

Over: US29N, US70E,US220N

0.3 MI.E. JCT. SR1401, Guilford, NC

Built 2017 ADT: 34,750

US29S

Unknown

Over: US29

0.4 MI.E.JCT.SUMMIT AVE., Guilford, NC

Built 1976 ADT: 27,500

I40W,I85S

Unknown

Over: I40, I85 BUS.

1.15 MI. S. JCT. US29, Guilford, NC

Built 1958 ADT: 36,750

US29N

Unknown

Over: US29

0.7 MI W JCT SR2790, Guilford, NC

Built 2016 ADT: 17,000

US29S

Unknown

Over: US29

0.1 MI. S. OF JCT. SR2526, Guilford, NC

Built 1961 ADT: 17,750

SR4240W

Unknown

Over: SR4240

2.0 MI. E. JCT. US29, Guilford, NC

Built 1995 ADT: 8,000

NC150

Unknown

Over: NC150

0.9 MI. S. JCT. SR2510, Guilford, NC

Built 2004 ADT: 4,400

SR4240E

Unknown

Over: SR4240

2 MI. E. JCT. US29, Guilford, NC

Built 1994 ADT: 10,500

NC150

Unknown

Over: NC150

0.9 MI. S. JCT. SR2510, Guilford, NC

Built 2004 ADT: 4,400

I40W, I85S

Unknown

Over: I40, I85 BUS.

0.2 MI. S. JCT. SR3000, Guilford, NC

Built 1994 ADT: 39,000

US29S

Unknown

Over: US29

03 MI. W. JCT. SR2514, Guilford, NC

Built 1999 ADT: 12,500

I40E, I85N

Unknown

Over: I40, I85 BUS.

0.20 MI. N.JCT.SR3183, Guilford, NC

Built 1994 ADT: 37,500

I40W,I85S

Unknown

Over: I40, I85

0.15 MI.S.JCT.SR3143, Guilford, NC

Built 1994 ADT: 60,500

I40E

Unknown

Over: I40 & I85

0.2 MI. S. JCT. NC70, Guilford, NC

Built 1994 ADT: 60,000

I40E,I85N

Unknown

Over: I40, I85

1.1 MI.N.JCT.NC61, Guilford, NC

Built 1992 ADT: 61,500

NC68S

Unknown

Over: NC68

0.9 MI. W. JCT. SR1556, Guilford, NC

Built 1981 ADT: 16,000

US29N,US70E,US220N

Unknown

Over: US29,US70,US220

1.5 MI. E. JCT.EUGENE ST., Guilford, NC

Built 1971 ADT: 31,000

LAWNDALE DRIVE N

Unknown

Over: LAWNDALE DRIVE

0.5 MI.E.JCT.US220, Guilford, NC

Built 1966 ADT: 10,500

CHURCH STREET

Unknown

Over: CHURCH STREET

0.3 MI.W.JCT.SUMMIT AVE., Guilford, NC

Built 1967 ADT: 4,600

N. AYCOCK ST. S

Unknown

Over: SOUTH AYCOCK ST.

1.0 MI.E.JCT.W.WEDOVER AV, Guilford, NC

Built 2000 ADT: 9,500

SR2254E

Unknown

Over: SR2254

0.02 MI. S. JCT. SR5083, Guilford, NC

Built 1968 ADT: 26,000

SR2254W

Unknown

Over: W WENDOVER AVE/US70/220

0.14 MI. S. JCT. SR2175, Guilford, NC

Built 1968 ADT: 26,000

SR2147

Unknown

Over: SR2147

0.5 MI. W. JCT. SR2176, Guilford, NC

Built 1968 ADT: 15,500

Showing 1,051-1,100 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.