US Bridges

NC147N over Buchanan Blvd

Fair

Durham County, North Carolina · 0.9M. S. Jct. SR1322 · Structure no. 000000000630144

Built
1974
51 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
3 main spans
Daily traffic
34,000
2019 count
Owner
State
State Highway Agency

About this bridge

NC147N over Buchanan Blvd is a steel continuous stringer/multi-beam or girder carrying NC147N over Buchanan Blvd in Durham County, North Carolina. It was built in 1974, so it is 51 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 34,000 vehicles a day, roughly 12% of them trucks, projected to reach 68,000 by 2040. The structure is 163 ft (49.6 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC147N
CrossesBuchanan Blvd
Location0.9M. S. Jct. SR1322
RouteState Highway 147
Coordinates36.00006, -78.91395
Functional classUrban Principal Arterial - Other Freeway or Expressway

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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating82.9 US tons
Inventory rating48.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length163 ft (49.6 m)
Longest span79 ft (24 m)
Deck width44 ft (13.5 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2019)
Projected traffic68,000 by 2040
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC147N over Buchanan Blvd built?

It was built in 1974, making it 51 years old in 2025.

What condition is NC147N over Buchanan Blvd 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 2023.

How much traffic does NC147N over Buchanan Blvd carry?

About 34,000 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is NC147N over Buchanan Blvd?

The structure is 163 ft (49.6 m) long with a longest span of 79 ft (24 m) and a deck 44 ft wide.

Who owns NC147N over Buchanan Blvd?

It is owned by the State Highway Agency.