US Bridges

US29 over Seaboard Coastline RR

Fair

Mecklenburg County, North Carolina · 0.15 Mi. N. Jct. I277 · Structure no. 000000001190101

Built
1994
31 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
136 ft
3 main spans
Daily traffic
26,000
2023 count
Owner
State
State Highway Agency

About this bridge

US29 over Seaboard Coastline RR is a steel continuous stringer/multi-beam or girder carrying US29 over Seaboard Coastline RR in Mecklenburg County, North Carolina. It was built in 1994, so it is 31 years old, younger 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 26,000 vehicles a day, roughly 12% of them trucks, projected to reach 52,000 by 2040. The structure is 136 ft (41.4 m) long and 88 ft wide.

Location

Open in Google Maps
CarriesUS29
CrossesSeaboard Coastline RR
Location0.15 Mi. N. Jct. I277
RouteU.S. Route 29
CountyMecklenburg County
StateNorth Carolina
Coordinates35.23675, -80.83845
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
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 rating84 US tons
Inventory rating49.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length136 ft (41.4 m)
Longest span62 ft (18.8 m)
Deck width88 ft (26.9 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,000 (2023)
Projected traffic52,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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 over Seaboard Coastline RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is US29 over Seaboard Coastline RR 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 October 2024.

How much traffic does US29 over Seaboard Coastline RR carry?

About 26,000 vehicles per day (2023 count), of which roughly 12% are trucks.

How long is US29 over Seaboard Coastline RR?

The structure is 136 ft (41.4 m) long with a longest span of 62 ft (18.8 m) and a deck 88 ft wide.

Who owns US29 over Seaboard Coastline RR?

It is owned by the State Highway Agency.