US Bridges

US158 over I85

Fair

Granville County, North Carolina · 0.2 Mi.E. of SR1521 · Structure no. 000000000770035

Built
1970
55 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
377 ft
4 main spans
Daily traffic
13,000
2022 count
Owner
State
State Highway Agency

About this bridge

US158 over I85 is a steel continuous stringer/multi-beam or girder carrying US158 over I85 in Granville County, North Carolina. It was built in 1970, so it is 55 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 13,000 vehicles a day, roughly 12% of them trucks, projected to reach 26,000 by 2040. The structure is 377 ft (114.9 m) long and 66 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS158
CrossesI85
Location0.2 Mi.E. of SR1521
RouteU.S. Route 158
Coordinates36.31471, -78.54347
Functional classUrban Other Principal Arterial

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 inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating87 US tons
Inventory rating51.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length377 ft (114.9 m)
Longest span125 ft (38.1 m)
Deck width66 ft (20.1 m)
Roadway width58 ft (17.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,000 (2022)
Projected traffic26,000 by 2040
Trucks12%
Lanes on structure4
Traffic directionTwo-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 US158 over I85 built?

It was built in 1970, making it 55 years old in 2025.

What condition is US158 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 July 2024.

How much traffic does US158 over I85 carry?

About 13,000 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US158 over I85?

The structure is 377 ft (114.9 m) long with a longest span of 125 ft (38.1 m) and a deck 66 ft wide.

Who owns US158 over I85?

It is owned by the State Highway Agency.