US Bridges

NC98 over Richland Creek

Good

Wake County, North Carolina · 0.15 MI E JCT US1 · Structure no. 000000001831084

Built
2007
18 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
399 ft
4 main spans
Daily traffic
31,000
2021 count
Owner
State
State Highway Agency

About this bridge

NC98 over Richland Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying NC98 over Richland Creek in Wake County, North Carolina. It was built in 2007, so it is 18 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 31,000 vehicles a day, roughly 6% of them trucks, projected to reach 62,000 by 2040. The structure is 399 ft (121.6 m) long and 107 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesNC98
CrossesRichland Creek
Location0.15 MI E JCT US1
RouteU.S. Route 98
Coordinates35.96511, -78.53827
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating40.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length399 ft (121.6 m)
Longest span96 ft (29.2 m)
Deck width107 ft (32.7 m)
Roadway width104 ft (31.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic31,000 (2021)
Projected traffic62,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC98 over Richland Creek built?

It was built in 2007, making it 18 years old in 2025.

What condition is NC98 over Richland Creek 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 2024.

How much traffic does NC98 over Richland Creek carry?

About 31,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC98 over Richland Creek?

The structure is 399 ft (121.6 m) long with a longest span of 96 ft (29.2 m) and a deck 107 ft wide.

Who owns NC98 over Richland Creek?

It is owned by the State Highway Agency.