US Bridges

SR1524 over Flat Rock Branch

Fair

Nash County, North Carolina · 0.2 Mi. E. of SR1532 · Structure no. 000000001270325

Built
1999
26 years old
Condition
Fair
inspected June 2024
Type
Culvert
Steel
Length
21 ft
2 main spans
Daily traffic
950
2021 count
Owner
State
State Highway Agency

About this bridge

SR1524 over Flat Rock Branch is a steel culvert carrying SR1524 over Flat Rock Branch in Nash County, North Carolina. It was built in 1999, so it is 26 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 fair condition with a lowest component rating of 6 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 950 vehicles a day, roughly 6% of them trucks, projected to reach 1,900 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1524
CrossesFlat Rock Branch
Location0.2 Mi. E. of SR1532
RouteState Highway 1524
CountyNash County
StateNorth Carolina
Coordinates36.03622, -77.87731
Functional classRural Minor 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2021)
Projected traffic1,900 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1524 over Flat Rock Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR1524 over Flat Rock Branch 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 SR1524 over Flat Rock Branch carry?

About 950 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1524 over Flat Rock Branch?

The structure is 21 ft (6.4 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1524 over Flat Rock Branch?

It is owned by the State Highway Agency.