US Bridges

I74E US311S over Shadybrook Drive

Fair

Guilford County, North Carolina · 0.75 Mi. N. Jct. SR1993 · Structure no. 000000000810759

Built
1996
29 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
152 ft
3 main spans
Daily traffic
16,750
2020 count
Owner
State
State Highway Agency

About this bridge

I74E US311S over Shadybrook Drive is a prestressed concrete stringer/multi-beam or girder carrying I74E US311S over Shadybrook Drive in Guilford County, North Carolina. It was built in 1996, so it is 29 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 16,750 vehicles a day, roughly 16% of them trucks, projected to reach 33,500 by 2040. The structure is 152 ft (46.3 m) long and 63 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesI74E US311S
CrossesShadybrook Drive
Location0.75 Mi. N. Jct. SR1993
RouteInterstate 74
CountyGuilford County
StateNorth Carolina
Coordinates36.00796, -80.02264
Functional classUrban Principal Arterial - Interstate

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating43 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length152 ft (46.3 m)
Longest span68 ft (20.7 m)
Deck width63 ft (19.2 m)
Roadway width60 ft (18.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,750 (2020)
Projected traffic33,500 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I74E US311S over Shadybrook Drive built?

It was built in 1996, making it 29 years old in 2025.

What condition is I74E US311S over Shadybrook Drive 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 August 2024.

How much traffic does I74E US311S over Shadybrook Drive carry?

About 16,750 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I74E US311S over Shadybrook Drive?

The structure is 152 ft (46.3 m) long with a longest span of 68 ft (20.7 m) and a deck 63 ft wide.

Who owns I74E US311S over Shadybrook Drive?

It is owned by the State Highway Agency.