US Bridges

US1 over Richland Creek

Fair

Wake County, North Carolina · 1.2 Mi. S. Jct. NC98 · Structure no. 000000001830672

Built
1960
65 years old, rebuilt 1994
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
59 ft
4 main spans
Daily traffic
48,500
2021 count
Owner
State
State Highway Agency

About this bridge

US1 over Richland Creek is a concrete continuous culvert carrying US1 over Richland Creek in Wake County, North Carolina. It was built in 1960 and reconstructed in 1994, so it is 65 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 5 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 48,500 vehicles a day, roughly 12% of them trucks, projected to reach 97,000 by 2040. The structure is 59 ft (17.9 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesUS1
CrossesRichland Creek
Location1.2 Mi. S. Jct. NC98
RouteU.S. Route 1
CountyWake County
StateNorth Carolina
Coordinates35.96157, -78.54226
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length59 ft (17.9 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic48,500 (2021)
Projected traffic97,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US1 over Richland Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1994.

What condition is US1 over Richland Creek 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 August 2023.

How much traffic does US1 over Richland Creek carry?

About 48,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US1 over Richland Creek?

The structure is 59 ft (17.9 m) long with a longest span of 10 ft (3 m).

Who owns US1 over Richland Creek?

It is owned by the State Highway Agency.