US Bridges

SR1506 over Herring Run

Good

Beaufort County, North Carolina · 0.7 Mi. W. JCT SR1518 · Structure no. 000000000130102

Built
1980
45 years old
Condition
Good
inspected July 2024
Type
Slab
Prestressed Concrete
Length
47 ft
1 main span
Daily traffic
490
2015 count
Owner
State
State Highway Agency

About this bridge

SR1506 over Herring Run is a prestressed concrete slab carrying SR1506 over Herring Run in Beaufort County, North Carolina. It was built in 1980, so it is 45 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 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 490 vehicles a day, roughly 6% of them trucks, projected to reach 980 by 2040. The structure is 47 ft (14.3 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1506
CrossesHerring Run
Location0.7 Mi. W. JCT SR1518
RouteState Highway 1506
Coordinates35.56792, -77.01897
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating51.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20 + Mod
Structure length47 ft (14.3 m)
Longest span47 ft (14.3 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2015)
Projected traffic980 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1506 over Herring Run built?

It was built in 1980, making it 45 years old in 2025.

What condition is SR1506 over Herring Run 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 July 2024.

How much traffic does SR1506 over Herring Run carry?

About 490 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1506 over Herring Run?

The structure is 47 ft (14.3 m) long with a longest span of 47 ft (14.3 m) and a deck 33 ft wide.

Who owns SR1506 over Herring Run?

It is owned by the State Highway Agency.