US Bridges

SR1115 over I85BUS US29/70

Poor

Guilford County, North Carolina · 0.3 Mi. W. Jct. SR3303 · Structure no. 000000000810225

Built
1975
50 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
255 ft
4 main spans
Daily traffic
7,000
2022 count
Owner
State
State Highway Agency

About this bridge

SR1115 over I85BUS US29/70 is a steel stringer/multi-beam or girder carrying SR1115 over I85BUS US29/70 in Guilford County, North Carolina. It was built in 1975, so it is 50 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 7,000 vehicles a day, roughly 7% of them trucks, projected to reach 14,000 by 2040. The structure is 255 ft (77.7 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1115
CrossesI85BUS US29/70
Location0.3 Mi. W. Jct. SR3303
RouteState Highway 1115
CountyGuilford County
StateNorth Carolina
Coordinates36.02219, -79.81878
Functional classUrban Collector

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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 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 geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating38.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length255 ft (77.7 m)
Longest span91 ft (27.7 m)
Deck width38 ft (11.6 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,000 (2022)
Projected traffic14,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 SR1115 over I85BUS US29/70 built?

It was built in 1975, making it 50 years old in 2025.

What condition is SR1115 over I85BUS US29/70 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 October 2024.

How much traffic does SR1115 over I85BUS US29/70 carry?

About 7,000 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1115 over I85BUS US29/70?

The structure is 255 ft (77.7 m) long with a longest span of 91 ft (27.7 m) and a deck 38 ft wide.

Who owns SR1115 over I85BUS US29/70?

It is owned by the State Highway Agency.