US Bridges

NC98 over Spring Branch

Good

Wake County, North Carolina · 0.6 Mi. E. Jct. US1A · Structure no. 000000001831034

Built
2006
19 years old
Condition
Good
inspected February 2022
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
29,000
2019 count
Owner
State
State Highway Agency

About this bridge

NC98 over Spring Branch is a concrete continuous culvert carrying NC98 over Spring Branch in Wake County, North Carolina. It was built in 2006, so it is 19 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 29,000 vehicles a day, roughly 12% of them trucks, projected to reach 58,000 by 2040. The structure is 35 ft (10.6 m) long.

CarriesNC98
CrossesSpring Branch
Location0.6 Mi. E. Jct. US1A
RouteState Highway 98
Coordinates35.96567, -78.50805
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length35 ft (10.6 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deck0 ft (0 m)

Traffic and service

Average daily traffic29,000 (2019)
Projected traffic58,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC98 over Spring Branch built?

It was built in 2006, making it 19 years old in 2025.

What condition is NC98 over Spring Branch 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 February 2022.

How much traffic does NC98 over Spring Branch carry?

About 29,000 vehicles per day (2019 count), of which roughly 12% are trucks.

How long is NC98 over Spring Branch?

The structure is 35 ft (10.6 m) long with a longest span of 9 ft (2.7 m).

Who owns NC98 over Spring Branch?

It is owned by the State Highway Agency.