US Bridges

US29 & US74 over South Fork Catawba River

Poor

Gaston County, North Carolina · 0.4 Mi. W. Jct. SR2014 · Structure no. 000000000710082

Built
1926
99 years old, rebuilt 1941
Condition
Poor
inspected February 2024
Type
Tee Beam
Concrete
Length
419 ft
8 main spans
Daily traffic
27,500
2022 count
Owner
State
State Highway Agency

About this bridge

US29 & US74 over South Fork Catawba River is a concrete tee beam carrying US29 & US74 over South Fork Catawba River in Gaston County, North Carolina. It was built in 1926 and reconstructed in 1941, so it is 99 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 27,500 vehicles a day, roughly 12% of them trucks, projected to reach 55,000 by 2040. The structure is 419 ft (127.7 m) long and 50 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesUS29 & US74
CrossesSouth Fork Catawba River
Location0.4 Mi. W. Jct. SR2014
RouteU.S. Route 29
Coordinates35.24896, -81.07302
Functional classUrban Other Principal Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
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 evaluation4: Meets minimum tolerable limits to be 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 rating44 US tons
Inventory rating25.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans8
Design loadH 15
Structure length419 ft (127.7 m)
Longest span51 ft (15.5 m)
Deck width50 ft (15.3 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic27,500 (2022)
Projected traffic55,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US29 & US74 over South Fork Catawba River built?

It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1941.

What condition is US29 & US74 over South Fork Catawba River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does US29 & US74 over South Fork Catawba River carry?

About 27,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US29 & US74 over South Fork Catawba River?

The structure is 419 ft (127.7 m) long with a longest span of 51 ft (15.5 m) and a deck 50 ft wide.

Who owns US29 & US74 over South Fork Catawba River?

It is owned by the State Highway Agency.