US Bridges

SR1578 over Harlands Creek

Fair

Chatham County, North Carolina · 0.4 Mi. N. Jct. US64 · Structure no. 000000000370492

Built
1969
56 years old
Condition
Fair
inspected August 2024
Type
Culvert
Steel
Length
24 ft
3 main spans
Daily traffic
100
2019 count
Owner
State
State Highway Agency

About this bridge

SR1578 over Harlands Creek is a steel culvert carrying SR1578 over Harlands Creek in Chatham County, North Carolina. It was built in 1969, so it is 56 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 100 vehicles a day, roughly 6% of them trucks, projected to reach 200 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1578
CrossesHarlands Creek
Location0.4 Mi. N. Jct. US64
RouteState Highway 1578
Coordinates35.73708, -79.26369
Functional classRural Local

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 spans3
Design loadHS 20 + Mod
Structure length24 ft (7.3 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 SR1578 over Harlands Creek built?

It was built in 1969, making it 56 years old in 2025.

What condition is SR1578 over Harlands Creek 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 August 2024.

How much traffic does SR1578 over Harlands Creek carry?

About 100 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1578 over Harlands Creek?

The structure is 24 ft (7.3 m) long with a longest span of 6 ft (1.8 m).

Who owns SR1578 over Harlands Creek?

It is owned by the State Highway Agency.