US Bridges

SR1837 over Quarry Dirt Road

Good

Wake County, North Carolina · 0.12 Mi. W. Jct. SR1647 · Structure no. 000000001831565

Built
2019
6 years old
Condition
Good
inspected September 2023
Type
Slab
Prestressed Concrete
Length
40 ft
1 main span
Daily traffic
11,500
2021 count
Owner
State
State Highway Agency

About this bridge

SR1837 over Quarry Dirt Road is a prestressed concrete slab carrying SR1837 over Quarry Dirt Road in Wake County, North Carolina. It was built in 2019, so it is 6 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 11,500 vehicles a day, roughly 6% of them trucks, projected to reach 23,000 by 2040. The structure is 40 ft (12.1 m) long and 51 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1837
CrossesQuarry Dirt Road
Location0.12 Mi. W. Jct. SR1647
RouteState Highway 1837
CountyWake County
StateNorth Carolina
Coordinates35.9016, -78.73942
Functional classUrban Minor Arterial

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.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating81.9 US tons
Inventory rating62.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length40 ft (12.1 m)
Longest span37 ft (11.2 m)
Deck width51 ft (15.5 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,500 (2021)
Projected traffic23,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesOther
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 SR1837 over Quarry Dirt Road built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR1837 over Quarry Dirt Road 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 September 2023.

How much traffic does SR1837 over Quarry Dirt Road carry?

About 11,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1837 over Quarry Dirt Road?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.2 m) and a deck 51 ft wide.

Who owns SR1837 over Quarry Dirt Road?

It is owned by the State Highway Agency.