US Bridges

I74E.RAMP over I74 US311

Good

Guilford County, North Carolina · 0.4 Mi. S. Jct. I85 · Structure no. 000000000810977

Built
2010
15 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
328 ft
2 main spans
Daily traffic
1,700
2021 count
Owner
State
State Highway Agency

About this bridge

I74E.RAMP over I74 US311 is a steel continuous stringer/multi-beam or girder carrying I74E.RAMP over I74 US311 in Guilford County, North Carolina. It was built in 2010, so it is 15 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 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 1,700 vehicles a day, roughly 16% of them trucks, projected to reach 3,400 by 2040. The structure is 328 ft (99.9 m) long and 42 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI74E.RAMP
CrossesI74 US311
Location0.4 Mi. S. Jct. I85
RouteInterstate 74
Coordinates35.92749, -79.92361
Functional classUrban Principal Arterial - Interstate

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating65.9 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length328 ft (99.9 m)
Longest span181 ft (55.1 m)
Deck width42 ft (12.9 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,700 (2021)
Projected traffic3,400 by 2040
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 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 I74E.RAMP over I74 US311 built?

It was built in 2010, making it 15 years old in 2025.

What condition is I74E.RAMP over I74 US311 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 August 2023.

How much traffic does I74E.RAMP over I74 US311 carry?

About 1,700 vehicles per day (2021 count), of which roughly 16% are trucks.

How long is I74E.RAMP over I74 US311?

The structure is 328 ft (99.9 m) long with a longest span of 181 ft (55.1 m) and a deck 42 ft wide.

Who owns I74E.RAMP over I74 US311?

It is owned by the State Highway Agency.