US Bridges

US64 over US421

Fair

Chatham County, North Carolina · 0.1 Mi. E. JCT.SR1373 · Structure no. 000000000370447

Built
1984
41 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
238 ft
2 main spans
Daily traffic
21,500
2022 count
Owner
State
State Highway Agency

About this bridge

US64 over US421 is a steel stringer/multi-beam or girder carrying US64 over US421 in Chatham County, North Carolina. It was built in 1984, so it is 41 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 21,500 vehicles a day, roughly 14% of them trucks, projected to reach 43,000 by 2040. The structure is 238 ft (72.5 m) long and 87 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS64
CrossesUS421
Location0.1 Mi. E. JCT.SR1373
RouteU.S. Route 64
Coordinates35.73426, -79.43175
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating68.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length238 ft (72.5 m)
Longest span119 ft (36.2 m)
Deck width87 ft (26.4 m)
Roadway width84 ft (25.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,500 (2022)
Projected traffic43,000 by 2040
Trucks14%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US64 over US421 built?

It was built in 1984, making it 41 years old in 2025.

What condition is US64 over US421 in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does US64 over US421 carry?

About 21,500 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US64 over US421?

The structure is 238 ft (72.5 m) long with a longest span of 119 ft (36.2 m) and a deck 87 ft wide.

Who owns US64 over US421?

It is owned by the State Highway Agency.