US Bridges

US64W over Bunn Lake

Fair

Wake County, North Carolina · 0.8 Mi. E. Jct. SR2337 · Structure no. 000000001830219

Built
1972
53 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
136 ft
3 main spans
Daily traffic
15,250
2022 count
Owner
State
State Highway Agency

About this bridge

US64W over Bunn Lake is a prestressed concrete stringer/multi-beam or girder carrying US64W over Bunn Lake in Wake County, North Carolina. It was built in 1972, so it is 53 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 15,250 vehicles a day, roughly 14% of them trucks, projected to reach 30,500 by 2040. The structure is 136 ft (41.4 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS64W
CrossesBunn Lake
Location0.8 Mi. E. Jct. SR2337
RouteU.S. Route 64
Coordinates35.85922, -78.27513
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating51.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length136 ft (41.4 m)
Longest span43 ft (13.1 m)
Deck width44 ft (13.4 m)
Roadway width41 ft (12.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,250 (2022)
Projected traffic30,500 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was US64W over Bunn Lake built?

It was built in 1972, making it 53 years old in 2025.

What condition is US64W over Bunn Lake 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 December 2024.

How much traffic does US64W over Bunn Lake carry?

About 15,250 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US64W over Bunn Lake?

The structure is 136 ft (41.4 m) long with a longest span of 43 ft (13.1 m) and a deck 44 ft wide.

Who owns US64W over Bunn Lake?

It is owned by the State Highway Agency.