US Bridges

I40E over NC147

Fair

Durham County, North Carolina · 0.3 MI.E.JCT.SR2028&I-40 · Structure no. 000000000630296

Built
1985
40 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
235 ft
4 main spans
Daily traffic
40,750
2021 count
Owner
State
State Highway Agency

About this bridge

I40E over NC147 is a steel stringer/multi-beam or girder carrying I40E over NC147 in Durham County, North Carolina. It was built in 1985, so it is 40 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 40,750 vehicles a day, roughly 16% of them trucks, projected to reach 81,500 by 2040. The structure is 235 ft (71.6 m) long and 66 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI40E
CrossesNC147
Location0.3 MI.E.JCT.SR2028&I-40
RouteInterstate 40
CountyDurham County
StateNorth Carolina
Coordinates35.90052, -78.87498
Functional classUrban Principal Arterial - Interstate

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 inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20 + Mod
Structure length235 ft (71.6 m)
Longest span87 ft (26.5 m)
Deck width66 ft (20.2 m)
Roadway width63 ft (19.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40,750 (2021)
Projected traffic81,500 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 I40E over NC147 built?

It was built in 1985, making it 40 years old in 2025.

What condition is I40E over NC147 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 July 2023.

How much traffic does I40E over NC147 carry?

About 40,750 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I40E over NC147?

The structure is 235 ft (71.6 m) long with a longest span of 87 ft (26.5 m) and a deck 66 ft wide.

Who owns I40E over NC147?

It is owned by the State Highway Agency.