US Bridges

SR1581 over Little River N.Fork Trib

Good

Orange County, North Carolina · 0.9 Mi. E. Jct. NC157 · Structure no. 000000001350234

Built
2017
8 years old
Condition
Good
inspected August 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
220
2000 count
Owner
State
State Highway Agency

About this bridge

SR1581 over Little River N.Fork Trib is a concrete continuous culvert carrying SR1581 over Little River N.Fork Trib in Orange County, North Carolina. It was built in 2017, so it is 8 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 220 vehicles a day, roughly 6% of them trucks, projected to reach 440 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1581
CrossesLittle River N.Fork Trib
Location0.9 Mi. E. Jct. NC157
RouteState Highway 1581
Coordinates36.18658, -78.99789
Functional classRural Local

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 inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.9 US tons
Inventory rating51.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length23 ft (7 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2000)
Projected traffic440 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 SR1581 over Little River N.Fork Trib built?

It was built in 2017, making it 8 years old in 2025.

What condition is SR1581 over Little River N.Fork Trib 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 SR1581 over Little River N.Fork Trib carry?

About 220 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1581 over Little River N.Fork Trib?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1581 over Little River N.Fork Trib?

It is owned by the State Highway Agency.