US Bridges

I73 I840N over SR1008 & N.S.R.R.

Good

Guilford County, North Carolina · 0.95 Mi. S. Jct. SR2147 · Structure no. 000000000810831

Built
2007
18 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
259 ft
2 main spans
Daily traffic
34,000
2022 count
Owner
State
State Highway Agency

About this bridge

I73 I840N over SR1008 & N.S.R.R. is a steel continuous stringer/multi-beam or girder carrying I73 I840N over SR1008 & N.S.R.R. in Guilford County, North Carolina. It was built in 2007, so it is 18 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 34,000 vehicles a day, roughly 16% of them trucks, projected to reach 68,000 by 2040. The structure is 259 ft (78.9 m) long and 72 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI73 I840N
CrossesSR1008 & N.S.R.R.
Location0.95 Mi. S. Jct. SR2147
RouteInterstate 73
CountyGuilford County
StateNorth Carolina
Coordinates36.07572, -79.91562
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.9 US tons
Inventory rating58 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length259 ft (78.9 m)
Longest span143 ft (43.5 m)
Deck width72 ft (21.9 m)
Roadway width69 ft (21 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic34,000 (2022)
Projected traffic68,000 by 2040
Trucks16%
Lanes on structure4
Traffic directionOne-way traffic
CarriesHighway
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 I73 I840N over SR1008 & N.S.R.R. built?

It was built in 2007, making it 18 years old in 2025.

What condition is I73 I840N over SR1008 & 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 I73 I840N over SR1008 & N.S.R.R. carry?

About 34,000 vehicles per day (2022 count), of which roughly 16% are trucks.

How long is I73 I840N over SR1008 & N.S.R.R.?

The structure is 259 ft (78.9 m) long with a longest span of 143 ft (43.5 m) and a deck 72 ft wide.

Who owns I73 I840N over SR1008 & N.S.R.R.?

It is owned by the State Highway Agency.