US Bridges

SR1523 over Boulding Branch

Good

Guilford County, North Carolina · 0.4 Mi. S. Jct. SR1538 · Structure no. 000000000810068

Built
1991
34 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
32 ft
3 main spans
Daily traffic
5,200
2021 count
Owner
State
State Highway Agency

About this bridge

SR1523 over Boulding Branch is a concrete continuous culvert carrying SR1523 over Boulding Branch in Guilford County, North Carolina. It was built in 1991, so it is 34 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 5,200 vehicles a day, roughly 6% of them trucks, projected to reach 10,400 by 2040. The structure is 32 ft (9.7 m) long and 38 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1523
CrossesBoulding Branch
Location0.4 Mi. S. Jct. SR1538
RouteState Highway 1523
Coordinates35.99578, -79.97525
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length32 ft (9.7 m)
Longest span10 ft (3 m)
Deck width38 ft (11.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,200 (2021)
Projected traffic10,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1523 over Boulding Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR1523 over Boulding Branch 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 June 2023.

How much traffic does SR1523 over Boulding Branch carry?

About 5,200 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1523 over Boulding Branch?

The structure is 32 ft (9.7 m) long with a longest span of 10 ft (3 m) and a deck 38 ft wide.

Who owns SR1523 over Boulding Branch?

It is owned by the State Highway Agency.