US Bridges

US1 US401 over Marsh Creek

Fair

Wake County, North Carolina · 0.7 Mi. N. Jct. I-440 · Structure no. 000000001830294

Built
1961
64 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
42 ft
4 main spans
Daily traffic
83,000
2018 count
Owner
State
State Highway Agency

About this bridge

US1 US401 over Marsh Creek is a concrete continuous culvert carrying US1 US401 over Marsh Creek in Wake County, North Carolina. It was built in 1961, so it is 64 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 83,000 vehicles a day, roughly 12% of them trucks, projected to reach 166,000 by 2040. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesUS1 US401
CrossesMarsh Creek
Location0.7 Mi. N. Jct. I-440
RouteU.S. Route 1
Coordinates35.81997, -78.59387
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 inspectionJune 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating37.9 US tons
Inventory rating29 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20 + Mod
Structure length42 ft (12.8 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic83,000 (2018)
Projected traffic166,000 by 2040
Trucks12%
Lanes on structure9
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 US401 over Marsh Creek built?

It was built in 1961, making it 64 years old in 2025.

What condition is US1 US401 over Marsh 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 June 2023.

How much traffic does US1 US401 over Marsh Creek carry?

About 83,000 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is US1 US401 over Marsh Creek?

The structure is 42 ft (12.8 m) long with a longest span of 12 ft (3.6 m).

Who owns US1 US401 over Marsh Creek?

It is owned by the State Highway Agency.