US Bridges

US1 over Shaddox Creek

Fair

Chatham County, North Carolina · 1.2 Mi. S. Jct. SR1011 · Structure no. 000000000370482

Built
1957
68 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
27,500
2020 count
Owner
State
State Highway Agency

About this bridge

US1 over Shaddox Creek is a concrete continuous culvert carrying US1 over Shaddox Creek in Chatham County, North Carolina. It was built in 1957, so it is 68 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 27,500 vehicles a day, roughly 14% of them trucks, projected to reach 55,000 by 2040. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS1
CrossesShaddox Creek
Location1.2 Mi. S. Jct. SR1011
RouteU.S. Route 1
CountyChatham County
StateNorth Carolina
Coordinates35.63816, -79.03929
Functional classRural Principal Arterial - Other

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 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 spans3
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2020)
Projected traffic55,000 by 2040
Trucks14%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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 US1 over Shaddox Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is US1 over Shaddox 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 March 2023.

How much traffic does US1 over Shaddox Creek carry?

About 27,500 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is US1 over Shaddox Creek?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns US1 over Shaddox Creek?

It is owned by the State Highway Agency.