US Bridges

SR2770 over I840

Good

Guilford County, North Carolina · .5 Mi. W. of Jct. SR2821 · Structure no. 000000000811144

Built
2016
9 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
183 ft
2 main spans
Daily traffic
2,600
2022 count
Owner
State
State Highway Agency

About this bridge

SR2770 over I840 is a prestressed concrete stringer/multi-beam or girder carrying SR2770 over I840 in Guilford County, North Carolina. It was built in 2016, so it is 9 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 2,600 vehicles a day, roughly 6% of them trucks, projected to reach 5,200 by 2040. The structure is 183 ft (55.7 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR2770
CrossesI840
Location.5 Mi. W. of Jct. SR2821
RouteState Highway 2770
Coordinates36.10475, -79.69626
Functional classUrban Minor Arterial

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 2024
Inspection intervalevery 48 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 alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating56 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length183 ft (55.7 m)
Longest span88 ft (26.8 m)
Deck width51 ft (15.6 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,600 (2022)
Projected traffic5,200 by 2040
Trucks6%
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 SystemNo

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 SR2770 over I840 built?

It was built in 2016, making it 9 years old in 2025.

What condition is SR2770 over I840 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 2024.

How much traffic does SR2770 over I840 carry?

About 2,600 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR2770 over I840?

The structure is 183 ft (55.7 m) long with a longest span of 88 ft (26.8 m) and a deck 51 ft wide.

Who owns SR2770 over I840?

It is owned by the State Highway Agency.