US Bridges

SR1383 over I73 US421

Good

Guilford County, North Carolina · 0.7 MI W JCT I85 Bus · Structure no. 000000000810868

Built
2008
17 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
394 ft
2 main spans
Daily traffic
1,400
2021 count
Owner
State
State Highway Agency

About this bridge

SR1383 over I73 US421 is a steel continuous stringer/multi-beam or girder carrying SR1383 over I73 US421 in Guilford County, North Carolina. It was built in 2008, so it is 17 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,400 vehicles a day, roughly 6% of them trucks, projected to reach 2,800 by 2040. The structure is 394 ft (120 m) long and 85 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1383
CrossesI73 US421
Location0.7 MI W JCT I85 Bus
RouteState Highway 1383
Coordinates36.01532, -79.85298
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating48 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length394 ft (120 m)
Longest span201 ft (61.2 m)
Deck width85 ft (25.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,400 (2021)
Projected traffic2,800 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1383 over I73 US421 built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR1383 over I73 US421 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2024.

How much traffic does SR1383 over I73 US421 carry?

About 1,400 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1383 over I73 US421?

The structure is 394 ft (120 m) long with a longest span of 201 ft (61.2 m) and a deck 85 ft wide.

Who owns SR1383 over I73 US421?

It is owned by the State Highway Agency.