US Bridges

SR1827 over I85 US15

Good

Durham County, North Carolina · 0.18 Mi. W. Jct. SR1670 · Structure no. 000000000630190

Built
2002
23 years old
Condition
Good
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
275 ft
2 main spans
Daily traffic
5,100
2015 count
Owner
State
State Highway Agency

About this bridge

SR1827 over I85 US15 is a steel continuous stringer/multi-beam or girder carrying SR1827 over I85 US15 in Durham County, North Carolina. It was built in 2002, so it is 23 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 5,100 vehicles a day, roughly 7% of them trucks, projected to reach 10,200 by 2040. The structure is 275 ft (83.8 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1827
CrossesI85 US15
Location0.18 Mi. W. Jct. SR1670
RouteState Highway 1827
Coordinates36.01582, -78.86571
Functional classUrban Local

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.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating61 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 20 + Mod
Structure length275 ft (83.8 m)
Longest span165 ft (50.2 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,100 (2015)
Projected traffic10,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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 SR1827 over I85 US15 built?

It was built in 2002, making it 23 years old in 2025.

What condition is SR1827 over I85 US15 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 August 2023.

How much traffic does SR1827 over I85 US15 carry?

About 5,100 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR1827 over I85 US15?

The structure is 275 ft (83.8 m) long with a longest span of 165 ft (50.2 m) and a deck 34 ft wide.

Who owns SR1827 over I85 US15?

It is owned by the State Highway Agency.