US Bridges

NC147N over SR1954

Good

Durham County, North Carolina · 1.05 MI.N.JCT.SR2028 · Structure no. 000000000630198

Built
1992
33 years old
Condition
Good
inspected May 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
197 ft
3 main spans
Daily traffic
39,750
2019 count
Owner
State
State Highway Agency

About this bridge

NC147N over SR1954 is a steel stringer/multi-beam or girder carrying NC147N over SR1954 in Durham County, North Carolina. It was built in 1992, so it is 33 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 39,750 vehicles a day, roughly 12% of them trucks, projected to reach 79,500 by 2040. The structure is 197 ft (60 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC147N
CrossesSR1954
Location1.05 MI.N.JCT.SR2028
RouteState Highway 147
Coordinates35.93959, -78.85932
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75 US tons
Inventory rating45 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length197 ft (60 m)
Longest span102 ft (31 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,750 (2019)
Projected traffic79,500 by 2040
Trucks12%
Lanes on structure2
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC147N over SR1954 built?

It was built in 1992, making it 33 years old in 2025.

What condition is NC147N over SR1954 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2021.

How much traffic does NC147N over SR1954 carry?

About 39,750 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is NC147N over SR1954?

The structure is 197 ft (60 m) long with a longest span of 102 ft (31 m) and a deck 43 ft wide.

Who owns NC147N over SR1954?

It is owned by the State Highway Agency.