US Bridges

I74 US311 Wbl over SR1113 & N.S.R.R.

Good

Guilford County, North Carolina · 0.9 Mi. N. Jct. SR1300 · Structure no. 000000000811021

Built
2006
19 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
315 ft
3 main spans
Daily traffic
21,250
2020 count
Owner
State
State Highway Agency

About this bridge

I74 US311 Wbl over SR1113 & N.S.R.R. is a steel continuous stringer/multi-beam or girder carrying I74 US311 Wbl over SR1113 & N.S.R.R. in Guilford County, North Carolina. It was built in 2006, so it is 19 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 21,250 vehicles a day, roughly 16% of them trucks, projected to reach 42,500 by 2040. The structure is 315 ft (96 m) long and 71 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI74 US311 Wbl
CrossesSR1113 & N.S.R.R.
Location0.9 Mi. N. Jct. SR1300
RouteInterstate 74
CountyGuilford County
StateNorth Carolina
Coordinates35.96651, -79.97461
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.
Substructure7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating66.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+1 approach)
Design loadHS 20 + Mod
Structure length315 ft (96 m)
Longest span96 ft (29.2 m)
Deck width71 ft (21.6 m)
Roadway width68 ft (20.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic21,250 (2020)
Projected traffic42,500 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway and railroad
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 I74 US311 Wbl over SR1113 & N.S.R.R. built?

It was built in 2006, making it 19 years old in 2025.

What condition is I74 US311 Wbl over SR1113 & N.S.R.R. 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 April 2024.

How much traffic does I74 US311 Wbl over SR1113 & N.S.R.R. carry?

About 21,250 vehicles per day (2020 count), of which roughly 16% are trucks.

How long is I74 US311 Wbl over SR1113 & N.S.R.R.?

The structure is 315 ft (96 m) long with a longest span of 96 ft (29.2 m) and a deck 71 ft wide.

Who owns I74 US311 Wbl over SR1113 & N.S.R.R.?

It is owned by the State Highway Agency.