US Bridges

US29N US70N.BUS over US29 US70S.BUS.RAMP

Fair

Davidson County, North Carolina · 0.1 Mi. S. Jct. SR1787 · Structure no. 000000000570150

Built
1950
75 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
191 ft
4 main spans
Daily traffic
9,500
2021 count
Owner
State
State Highway Agency

About this bridge

US29N US70N.BUS over US29 US70S.BUS.RAMP is a steel stringer/multi-beam or girder carrying US29N US70N.BUS over US29 US70S.BUS.RAMP in Davidson County, North Carolina. It was built in 1950, so it is 75 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 9,500 vehicles a day, roughly 12% of them trucks, projected to reach 19,000 by 2040. The structure is 191 ft (58.2 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS29N US70N.BUS
CrossesUS29 US70S.BUS.RAMP
Location0.1 Mi. S. Jct. SR1787
RouteU.S. Route 29
CountyDavidson County
StateNorth Carolina
Coordinates35.88419, -80.1261
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionJuly 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 geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52.9 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length191 ft (58.2 m)
Longest span57 ft (17.3 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,500 (2021)
Projected traffic19,000 by 2040
Trucks12%
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 SystemYes

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 US29N US70N.BUS over US29 US70S.BUS.RAMP built?

It was built in 1950, making it 75 years old in 2025.

What condition is US29N US70N.BUS over US29 US70S.BUS.RAMP 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 July 2023.

How much traffic does US29N US70N.BUS over US29 US70S.BUS.RAMP carry?

About 9,500 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is US29N US70N.BUS over US29 US70S.BUS.RAMP?

The structure is 191 ft (58.2 m) long with a longest span of 57 ft (17.3 m) and a deck 35 ft wide.

Who owns US29N US70N.BUS over US29 US70S.BUS.RAMP?

It is owned by the State Highway Agency.