US Bridges

SR1508 over Herrings Marsh Run

Fair

Duplin County, North Carolina · 0.6 Mi. W. Jct. SR1507 · Structure no. 000000000610264

Built
1987
38 years old
Condition
Fair
inspected October 2023
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
130
2000 count
Owner
State
State Highway Agency

About this bridge

SR1508 over Herrings Marsh Run is a steel culvert carrying SR1508 over Herrings Marsh Run in Duplin County, North Carolina. It was built in 1987, so it is 38 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 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 130 vehicles a day, roughly 6% of them trucks, projected to reach 260 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1508
CrossesHerrings Marsh Run
Location0.6 Mi. W. Jct. SR1507
RouteState Highway 1508
CountyDuplin County
StateNorth Carolina
Coordinates35.09415, -77.94364
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 inspectionOctober 2023
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 length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2000)
Projected traffic260 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 SR1508 over Herrings Marsh Run built?

It was built in 1987, making it 38 years old in 2025.

What condition is SR1508 over Herrings Marsh Run 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 October 2023.

How much traffic does SR1508 over Herrings Marsh Run carry?

About 130 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1508 over Herrings Marsh Run?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m).

Who owns SR1508 over Herrings Marsh Run?

It is owned by the State Highway Agency.