US Bridges

US64 NC18 over Zacks Fork Creek

Fair

Caldwell County, North Carolina · .1 MI.W.JCT.US321 · Structure no. 000000000270016

Built
1924
101 years old, rebuilt 1989
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
70 ft
2 main spans
Daily traffic
21,000
2022 count
Owner
State
State Highway Agency

About this bridge

US64 NC18 over Zacks Fork Creek is a concrete tee beam carrying US64 NC18 over Zacks Fork Creek in Caldwell County, North Carolina. It was built in 1924 and reconstructed in 1989, so it is 101 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 21,000 vehicles a day, roughly 6% of them trucks, projected to reach 42,000 by 2040. The structure is 70 ft (21.3 m) long and 81 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesUS64 NC18
CrossesZacks Fork Creek
Location.1 MI.W.JCT.US321
RouteU.S. Route 64
Coordinates35.9141, -81.5268
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length70 ft (21.3 m)
Longest span34 ft (10.3 m)
Deck width81 ft (24.8 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,000 (2022)
Projected traffic42,000 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.7 mi (6 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US64 NC18 over Zacks Fork Creek built?

It was built in 1924, making it 101 years old in 2025. It was reconstructed in 1989.

What condition is US64 NC18 over Zacks Fork Creek 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 March 2024.

How much traffic does US64 NC18 over Zacks Fork Creek carry?

About 21,000 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is US64 NC18 over Zacks Fork Creek?

The structure is 70 ft (21.3 m) long with a longest span of 34 ft (10.3 m) and a deck 81 ft wide.

Who owns US64 NC18 over Zacks Fork Creek?

It is owned by the State Highway Agency.