US Bridges

US29 & US74 Wbl over I85 Sbl

Good

Gaston County, North Carolina · 0.4 Mi. E. Jct. SR1303 · Structure no. 000000000710314

Built
1982
43 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
193 ft
3 main spans
Daily traffic
7,000
2022 count
Owner
State
State Highway Agency

About this bridge

US29 & US74 Wbl over I85 Sbl is a steel stringer/multi-beam or girder carrying US29 & US74 Wbl over I85 Sbl in Gaston County, North Carolina. It was built in 1982, so it is 43 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 good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,000 vehicles a day, roughly 12% of them trucks, projected to reach 14,000 by 2040. The structure is 193 ft (58.8 m) long and 60 ft wide.

CarriesUS29 & US74 Wbl
CrossesI85 Sbl
Location0.4 Mi. E. Jct. SR1303
RouteU.S. Route 29
Coordinates35.25042, -81.29936
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating94.9 US tons
Inventory rating57 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length193 ft (58.8 m)
Longest span108 ft (32.9 m)
Deck width60 ft (18.2 m)
Roadway width56 ft (17.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2022)
Projected traffic14,000 by 2040
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US29 & US74 Wbl over I85 Sbl built?

It was built in 1982, making it 43 years old in 2025.

What condition is US29 & US74 Wbl over I85 Sbl in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does US29 & US74 Wbl over I85 Sbl carry?

About 7,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US29 & US74 Wbl over I85 Sbl?

The structure is 193 ft (58.8 m) long with a longest span of 108 ft (32.9 m) and a deck 60 ft wide.

Who owns US29 & US74 Wbl over I85 Sbl?

It is owned by the State Highway Agency.