US Bridges

US29N.RAMP over I85

Fair

Guilford County, North Carolina · 0.7 Mi. S. Jct. SR1117 · Structure no. 000000000810795

Built
2001
24 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
398 ft
2 main spans
Daily traffic
23,500
2022 count
Owner
State
State Highway Agency

About this bridge

US29N.RAMP over I85 is a steel continuous stringer/multi-beam or girder carrying US29N.RAMP over I85 in Guilford County, North Carolina. It was built in 2001, so it is 24 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 23,500 vehicles a day, roughly 16% of them trucks, projected to reach 47,000 by 2040. The structure is 398 ft (121.3 m) long and 74 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesUS29N.RAMP
CrossesI85
Location0.7 Mi. S. Jct. SR1117
RouteInterstate 29
CountyGuilford County
StateNorth Carolina
Coordinates36.00274, -79.85471
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionSeptember 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 rating99 US tons
Inventory rating89 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length398 ft (121.3 m)
Longest span223 ft (67.9 m)
Deck width74 ft (22.5 m)
Roadway width71 ft (21.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,500 (2022)
Projected traffic47,000 by 2040
Trucks16%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US29N.RAMP over I85 built?

It was built in 2001, making it 24 years old in 2025.

What condition is US29N.RAMP over I85 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 September 2024.

How much traffic does US29N.RAMP over I85 carry?

About 23,500 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is US29N.RAMP over I85?

The structure is 398 ft (121.3 m) long with a longest span of 223 ft (67.9 m) and a deck 74 ft wide.

Who owns US29N.RAMP over I85?

It is owned by the State Highway Agency.