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

US70E

Unknown

Over: US70

0.5 MI. N. JCT. SR4762, Guilford, NC

Built 2002 ADT: 15,000

SR4762

Unknown

Over: SR4762

0.2 MI. S. JCT. US70, Guilford, NC

Built 2002 ADT: 8

SR1113

Unknown

Over: SR1113 & N.S.R.R.

0.9 MI. N. JCT. SR1300, Guilford, NC

Built 2006 ADT: 18,000

SR1113

Unknown

Over: SR1113, N.S.R.R.

0.9 MI. N. JCT. SR1300, Guilford, NC

Built 2006 ADT: 17,000

I74W,US311N

Unknown

Over: I74, US311

1.3 MI. N. JCT. SR1278, Guilford, NC

Built 2006 ADT: 22,750

I74W,US311N

Unknown

Over: I74, US311

1.3 MI.W. JCT. NC68, Guilford, NC

Built 2006 ADT: 23,750

I40E

Unknown

Over: I40

1.0 MI. S. JCT. SR1546, Guilford, NC

Built 2011 ADT: 59,500

I40E

Unknown

Over: I40

1.0 MI S JCT SR1546, Guilford, NC

Built 2011 ADT: 59,500

I85N,US29N,US70E

Unknown

Over: I85 BUS. LP., US29, US70

1.5 MI. S. JCT. SR1113, Guilford, NC

Built 2006 ADT: 16,000

I85S,US29S,US70W

Unknown

Over: I85BUS. LP.,US29, US70

1.5 MI. S. JCT. SR1113, Guilford, NC

Built 2006 ADT: 16,000

US421N

Unknown

Over: US421

0.20 MI. W. JCT. SR3349, Guilford, NC

Built 2012 ADT: 8,500

I73S,I40E,US421S,C

Unknown

Over: I73, US421 & LONG BRANCH

1.0 MI. W. JCT. SR1541, Guilford, NC

Built 2011 ADT: 32,250

US421S

Unknown

Over: US421

0.2 MI. W. OF JCT. SR3549, Guilford, NC

Built 2016 ADT: 16,250

I73S

Unknown

Over: I73

1.1 MI.E.JCT.SR1586, Guilford, NC

Built 2016 ADT: 21,000

I73S

Unknown

Over: I73

0.2 MI.E.JCT.SR1586, Guilford, NC

Built 2016 ADT: 29,250

I73S

Unknown

Over: FUTURE I73

0.1 MI. E. JCT. SR2124, Guilford, NC

Built 2015 ADT: 12,000

I840W

Unknown

Over: GREENSBORO WESTERN LOOP

0.43 MI.S.SR2187, Guilford, NC

Built 2016 ADT: 9,500

DRAWBRIDGE PARKWAY

Unknown

Over: US220,SR2499HORSEPEN CR.

2.6 MI. E. JCT. I73, Guilford, NC

Built 2019 ADT: 100

DRAWBRIDGE PARKWAY

Unknown

Over: US220, SR2499, HRSPEN CR

2.6 MI. E. JCT. I73, Guilford, NC

Built 2018 ADT: 100

SR4762

Unknown

Over: SR4762;NSRR

0.2 MI. S. JCT. US70, Guilford, NC

Built 2019 ADT: 100

US70W

Unknown

Over: US70

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

Built 2019 ADT: 11,750

SR2825

Unknown

Over: SR2825;BUFFALO CREEK

1.0 MI. N. JCT. SR2770, Guilford, NC

Built 2019 ADT: 100

SR2825

Unknown

Over: SR2825;N.BUFFALO CR.

1 MI. N. JCT. SR2770, Guilford, NC

Built 2017 ADT: 100

SR2832

Unknown

Over: SR2832,N. BUFFALO CR.

1.3 MI. N. JCT. SR2770, Guilford, NC

Built 2019 ADT: 3,800

SR2832

Unknown

Over: SR2832;N BUFFALO CRK

1.3 MI. N. JCT. SR2770, Guilford, NC

Built 2019 ADT: 3,000

SR2732

Unknown

Over: SR2732

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

Built 2019 ADT: 2,400

SR2732

Unknown

Over: SR2732

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

Built 2017 ADT: 3,000

NC29S, RAMP

Unknown

Over: US29,SR2622S

3.5 MI. N. OF JCT. SR2770, Guilford, NC

Built 2019 ADT: 14,833

I840N

Unknown

Over: I840

.5 MI. W. OF JCT. SR2821, Guilford, NC

Built 2016 ADT: 100

I840E

Unknown

Over: I-840

.12 MI. N. OF JCT. SR2834, Guilford, NC

Built 2016 ADT: 6,500

US29S

Unknown

Over: US29

0.6 MI. E. SR2526, Guilford, NC

Built 2016 ADT: 17,500

NC68N

Unknown

Over: NC68

0.7 MI. N. JCT. NC68, Guilford, NC

Built 2017 ADT: 13,000

US68S

Unknown

Over: NC68

0.7 MI. N. JCT. NC68, Guilford, NC

Built 2019 ADT: 13,000

SR2133W

Unknown

Over: SR2133

0.7 MI. S.JCT. NC68, Guilford, NC

Built 2017 ADT: 3,300

I73S

Unknown

Over: I73

1.35 MI N JCT NC68, Guilford, NC

Built 2015 ADT: 12,000

I73N

Unknown

Over: I73

0.15 MI W JCT SR213, Guilford, NC

Built 2015 ADT: 14,500

I73S

Unknown

Over: I73

1.8 MI. E. JCT. SR2128, Guilford, NC

Built 2016 ADT: 8,500

I 73 N

Unknown

Over: I-73

0.2 MI E JCT SR5017, Guilford, NC

Built 2016 ADT: 12,000

I73S

Unknown

Over: I73

0.4 MI. W. JCT. NC150, Guilford, NC

Built 2016 ADT: 12,000

I73N

Unknown

Over: I-73

1.7 MI. N. JCT. SR2137, Guilford, NC

Built 2017 ADT: 5,000

NC68S RAMP

Unknown

Over: NC68

1.8 MI. N. JCT. SR2137, Guilford, NC

Built 2017 ADT: 9,875

SR2133W

Unknown

Over: NC68,SR2133

0.8 MI. S. JCT. NC68, Guilford, NC

Built 2017 ADT: 3,750

SR2133 E

Unknown

Over: NC68,SR2133

0.8 MI S JCT NC68, Guilford, NC

Built 2017 ADT: 4,750

LAWNDALE DR. NORTH

Unknown

Over: LAWNDALE DRIVE

0.8 MI. E. JCT. SR2340, Guilford, NC

Built 2019 ADT: 9,000

LAWNDALE DRIVE SOU

Unknown

Over: LAWNDALE DRIVE

0.8M E. JCT. SR2340, Guilford, NC

Built 2019 ADT: 9,000

I 840 W

Unknown

Over: I-840

0.1 MI E OF COTSWOLD TERR, Guilford, NC

Built 2017 ADT: 100

US29S

Unknown

Over: US29

3.5 MI. N. JCT. SR2770, Guilford, NC

Built 2019 ADT: 22,250

SR 2359

Unknown

Over: SR2359

1.1 MI. W. JCT. US29, Guilford, NC

Built 2023

I-840

Unknown

Over: I-840

0.16 MI. S. JCT. SR2373, Guilford, NC

Built 2021

SR3300S

Unknown

Over: SR3300

1.3 MI W JCT SR2523, Guilford, NC

Built 2023 ADT: 101

Showing 1,251-1,300 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.