US Bridges

I85BUSS US29 US70 over Wssb RR

Poor

Davidson County, North Carolina · .5 Mi. N. Jct. NC8 · Structure no. 000000000570089

Built
1950
75 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
143 ft
3 main spans
Daily traffic
10,250
2022 count
Owner
State
State Highway Agency

About this bridge

I85BUSS US29 US70 over Wssb RR is a steel stringer/multi-beam or girder carrying I85BUSS US29 US70 over Wssb RR 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 10,250 vehicles a day, roughly 12% of them trucks, projected to reach 20,500 by 2040. The structure is 143 ft (43.5 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesI85BUSS US29 US70
CrossesWssb RR
Location.5 Mi. N. Jct. NC8
RouteInterstate 85
CountyDavidson County
StateNorth Carolina
Coordinates35.83407, -80.26212
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length143 ft (43.5 m)
Longest span47 ft (14.3 m)
Deck width35 ft (10.7 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,250 (2022)
Projected traffic20,500 by 2040
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was I85BUSS US29 US70 over Wssb RR built?

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

What condition is I85BUSS US29 US70 over Wssb RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does I85BUSS US29 US70 over Wssb RR carry?

About 10,250 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is I85BUSS US29 US70 over Wssb RR?

The structure is 143 ft (43.5 m) long with a longest span of 47 ft (14.3 m) and a deck 35 ft wide.

Who owns I85BUSS US29 US70 over Wssb RR?

It is owned by the State Highway Agency.