US Bridges

SR1621 over NC540TOLL

Good

Wake County, North Carolina · 0.5 MI.E.JCT.SR1600 · Structure no. 000000001831301

Built
2011
14 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
270 ft
2 main spans
Daily traffic
100
2018 count
Owner
State
State Highway Agency

About this bridge

SR1621 over NC540TOLL is a prestressed concrete continuous stringer/multi-beam or girder carrying SR1621 over NC540TOLL in Wake County, North Carolina. It was built in 2011, so it is 14 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 100 vehicles a day, projected to reach 200 by 2040. The structure is 270 ft (82.2 m) long and 38 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1621
CrossesNC540TOLL
Location0.5 MI.E.JCT.SR1600
RouteState Highway 1621
Coordinates35.80328, -78.89123
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating95.9 US tons
Inventory rating61 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length270 ft (82.2 m)
Longest span132 ft (40.2 m)
Deck width38 ft (11.7 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic200 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1621 over NC540TOLL built?

It was built in 2011, making it 14 years old in 2025.

What condition is SR1621 over NC540TOLL 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 August 2024.

How much traffic does SR1621 over NC540TOLL carry?

About 100 vehicles per day (2018 count).

How long is SR1621 over NC540TOLL?

The structure is 270 ft (82.2 m) long with a longest span of 132 ft (40.2 m) and a deck 38 ft wide.

Who owns SR1621 over NC540TOLL?

It is owned by the State Highway Agency.