US Bridges

NC751 over US15BUS US501BUS

Fair

Durham County, North Carolina · 0.24 MI S JCT SR1303 · Structure no. 000000000630099

Built
1951
74 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
197 ft
4 main spans
Daily traffic
7,600
2021 count
Owner
State
State Highway Agency

About this bridge

NC751 over US15BUS US501BUS is a steel stringer/multi-beam or girder carrying NC751 over US15BUS US501BUS in Durham County, North Carolina. It was built in 1951, so it is 74 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 5 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 7,600 vehicles a day, roughly 6% of them trucks, projected to reach 15,200 by 2040. The structure is 197 ft (60 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC751
CrossesUS15BUS US501BUS
Location0.24 MI S JCT SR1303
RouteState Highway 751
Coordinates35.97213, -78.94324
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 15
Structure length197 ft (60 m)
Longest span57 ft (17.3 m)
Deck width33 ft (10.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,600 (2021)
Projected traffic15,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 NC751 over US15BUS US501BUS built?

It was built in 1951, making it 74 years old in 2025.

What condition is NC751 over US15BUS US501BUS 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 June 2023.

How much traffic does NC751 over US15BUS US501BUS carry?

About 7,600 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC751 over US15BUS US501BUS?

The structure is 197 ft (60 m) long with a longest span of 57 ft (17.3 m) and a deck 33 ft wide.

Who owns NC751 over US15BUS US501BUS?

It is owned by the State Highway Agency.