US Bridges

SR1785 over Clayroot Swamp

Good

Pitt County, North Carolina · 0.2 MI N JCT SR1786 · Structure no. 000000001470412

Built
2012
13 years old
Condition
Good
inspected October 2021
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
240
2015 count
Owner
State
State Highway Agency

About this bridge

SR1785 over Clayroot Swamp is a aluminum, wrought iron, or cast iron culvert carrying SR1785 over Clayroot Swamp in Pitt County, North Carolina. It was built in 2012, so it is 13 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 240 vehicles a day, roughly 6% of them trucks, projected to reach 480 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1785
CrossesClayroot Swamp
Location0.2 MI N JCT SR1786
RouteState Highway 1785
Coordinates35.46198, -77.21386
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.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating44 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2015)
Projected traffic480 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1785 over Clayroot Swamp built?

It was built in 2012, making it 13 years old in 2025.

What condition is SR1785 over Clayroot Swamp 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 October 2021.

How much traffic does SR1785 over Clayroot Swamp carry?

About 240 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1785 over Clayroot Swamp?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns SR1785 over Clayroot Swamp?

It is owned by the State Highway Agency.