US Bridges

US29 Coll over I-840 & US29

Good

Guilford County, North Carolina · 0.7M. S. Jct. SR2565 · Structure no. 000000000811239

Built
2019
6 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
1,502 ft
8 main spans
Daily traffic
11,375
2021 count
Owner
State
State Highway Agency

About this bridge

US29 Coll over I-840 & US29 is a steel stringer/multi-beam or girder carrying US29 Coll over I-840 & US29 in Guilford County, North Carolina. It was built in 2019, so it is 6 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 11,375 vehicles a day, roughly 12% of them trucks, projected to reach 22,750 by 2040. The structure is 1,502 ft (457.8 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS29 Coll
CrossesI-840 & US29
Location0.7M. S. Jct. SR2565
RouteU.S. Route 29
CountyGuilford County
StateNorth Carolina
Coordinates36.14299, -79.73539
Functional classUrban Principal Arterial - Other Freeway or Expressway

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating90.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans8
Design loadHL 93
Structure length1,502 ft (457.8 m)
Longest span225 ft (68.5 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,375 (2021)
Projected traffic22,750 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
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 US29 Coll over I-840 & US29 built?

It was built in 2019, making it 6 years old in 2025.

What condition is US29 Coll over I-840 & 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 February 2024.

How much traffic does US29 Coll over I-840 & US29 carry?

About 11,375 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US29 Coll over I-840 & US29?

The structure is 1,502 ft (457.8 m) long with a longest span of 225 ft (68.5 m) and a deck 43 ft wide.

Who owns US29 Coll over I-840 & US29?

It is owned by the State Highway Agency.