US Bridges

E. Cone Boulevard over US29

Fair

Guilford County, North Carolina · 0.4 Mi.E.Jct.Summit Ave. · Structure no. 000000000810350

Built
1976
49 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
234 ft
4 main spans
Daily traffic
24,500
2021 count
Owner
State
State Highway Agency

About this bridge

E. Cone Boulevard over US29 is a steel stringer/multi-beam or girder carrying E. Cone Boulevard over US29 in Guilford County, North Carolina. It was built in 1976, so it is 49 years old, older 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 5 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 24,500 vehicles a day, roughly 7% of them trucks, projected to reach 49,000 by 2040. The structure is 234 ft (71.3 m) long and 100 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesE. Cone Boulevard
CrossesUS29
Location0.4 Mi.E.Jct.Summit Ave.
RouteCity Street 0
CountyGuilford County
StateNorth Carolina
Coordinates36.11269, -79.75713
Functional classUrban Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating77.9 US tons
Inventory rating46 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length234 ft (71.3 m)
Longest span86 ft (26.2 m)
Deck width100 ft (30.5 m)
Roadway width82 ft (24.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic24,500 (2021)
Projected traffic49,000 by 2040
Trucks7%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was E. Cone Boulevard over US29 built?

It was built in 1976, making it 49 years old in 2025.

What condition is E. Cone Boulevard over US29 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 April 2023.

How much traffic does E. Cone Boulevard over US29 carry?

About 24,500 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is E. Cone Boulevard over US29?

The structure is 234 ft (71.3 m) long with a longest span of 86 ft (26.2 m) and a deck 100 ft wide.

Who owns E. Cone Boulevard over US29?

It is owned by the State Highway Agency.