US Bridges

US321 Nbl over Crowders Creek

Fair

Gaston County, North Carolina · 0.1 Mi. S. Jct. SR2416 · Structure no. 000000000710032

Built
1931
94 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Concrete
Length
189 ft
4 main spans
Daily traffic
5,250
2022 count
Owner
State
State Highway Agency

About this bridge

US321 Nbl over Crowders Creek is a concrete tee beam carrying US321 Nbl over Crowders Creek in Gaston County, North Carolina. It was built in 1931, so it is 94 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 6 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 5,250 vehicles a day, roughly 14% of them trucks, projected to reach 10,500 by 2040. The structure is 189 ft (57.6 m) long and 23 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS321 Nbl
CrossesCrowders Creek
Location0.1 Mi. S. Jct. SR2416
RouteU.S. Route 321
Coordinates35.16935, -81.19526
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating22.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length189 ft (57.6 m)
Longest span47 ft (14.3 m)
Deck width23 ft (7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,250 (2022)
Projected traffic10,500 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 US321 Nbl over Crowders Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is US321 Nbl over Crowders 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 February 2024.

How much traffic does US321 Nbl over Crowders Creek carry?

About 5,250 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US321 Nbl over Crowders Creek?

The structure is 189 ft (57.6 m) long with a longest span of 47 ft (14.3 m) and a deck 23 ft wide.

Who owns US321 Nbl over Crowders Creek?

It is owned by the State Highway Agency.