US Bridges

US15 over I85

Fair

Granville County, North Carolina · 0.4 Mi.S. of SR1102 · Structure no. 000000000770016

Built
1969
56 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
296 ft
4 main spans
Daily traffic
4,500
2022 count
Owner
State
State Highway Agency

About this bridge

US15 over I85 is a steel stringer/multi-beam or girder carrying US15 over I85 in Granville County, North Carolina. It was built in 1969, so it is 56 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 4,500 vehicles a day, roughly 7% of them trucks, projected to reach 9,000 by 2040. The structure is 296 ft (90.2 m) long and 56 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS15
CrossesI85
Location0.4 Mi.S. of SR1102
RouteU.S. Route 15
CountyGranville County
StateNorth Carolina
Coordinates36.07993, -78.76683
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
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 geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating50.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length296 ft (90.2 m)
Longest span96 ft (29.2 m)
Deck width56 ft (17 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,500 (2022)
Projected traffic9,000 by 2040
Trucks7%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US15 over I85 built?

It was built in 1969, making it 56 years old in 2025.

What condition is US15 over I85 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 June 2024.

How much traffic does US15 over I85 carry?

About 4,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is US15 over I85?

The structure is 296 ft (90.2 m) long with a longest span of 96 ft (29.2 m) and a deck 56 ft wide.

Who owns US15 over I85?

It is owned by the State Highway Agency.