US Bridges

SR4771 over US29

Good

Guilford County, North Carolina · 0.1 MI S JCT SR2526 · Structure no. 000000000810360

Built
2024
1 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
158 ft
2 main spans
Daily traffic
8,700
2022 count
Owner
State
State Highway Agency

About this bridge

SR4771 over US29 is a prestressed concrete continuous stringer/multi-beam or girder carrying SR4771 over US29 in Guilford County, North Carolina. It was built in 2024, so it is 1 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 8,700 vehicles a day, roughly 7% of them trucks, projected to reach 17,400 by 2040. The structure is 158 ft (48.1 m) long and 121 ft wide.

CarriesSR4771
CrossesUS29
Location0.1 MI S JCT SR2526
RouteState Highway 4771
Coordinates36.17591, -79.71178
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 inspectionOctober 2024
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 alignment8: Equal to present desirable criteria
Operating rating79.9 US tons
Inventory rating50.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length158 ft (48.1 m)
Longest span75 ft (22.8 m)
Deck width121 ft (36.9 m)
Roadway width117 ft (35.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,700 (2022)
Projected traffic17,400 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesOther
Detour if closed—
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 SR4771 over US29 built?

It was built in 2024, making it 1 years old in 2025.

What condition is SR4771 over US29 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 October 2024.

How much traffic does SR4771 over US29 carry?

About 8,700 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR4771 over US29?

The structure is 158 ft (48.1 m) long with a longest span of 75 ft (22.8 m) and a deck 121 ft wide.

Who owns SR4771 over US29?

It is owned by the State Highway Agency.