US Bridges

I85BUS US29S US70S over Rich Creek

Good

Davidson County, North Carolina · 0.6 Mi. N. Jct. SR1798 · Structure no. 000000000570140

Built
2005
20 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
228 ft
3 main spans
Daily traffic
7,000
2017 count
Owner
State
State Highway Agency

About this bridge

I85BUS US29S US70S over Rich Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I85BUS US29S US70S over Rich Creek in Davidson County, North Carolina. It was built in 2005, so it is 20 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 7,000 vehicles a day, roughly 14% of them trucks, projected to reach 14,000 by 2040. The structure is 228 ft (69.4 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesI85BUS US29S US70S
CrossesRich Creek
Location0.6 Mi. N. Jct. SR1798
RouteInterstate 85
Coordinates35.86542, -80.17648
Functional classRural Principal Arterial - Other

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating45 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length228 ft (69.4 m)
Longest span73 ft (22.2 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2017)
Projected traffic14,000 by 2040
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was I85BUS US29S US70S over Rich Creek built?

It was built in 2005, making it 20 years old in 2025.

What condition is I85BUS US29S US70S over Rich Creek 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 November 2023.

How much traffic does I85BUS US29S US70S over Rich Creek carry?

About 7,000 vehicles per day (2017 count), of which roughly 14% are trucks.

How long is I85BUS US29S US70S over Rich Creek?

The structure is 228 ft (69.4 m) long with a longest span of 73 ft (22.2 m) and a deck 39 ft wide.

Who owns I85BUS US29S US70S over Rich Creek?

It is owned by the State Highway Agency.