US Bridges

SR1709 over Eagle Swamp

Fair

Lenoir County, North Carolina · 0.1 Mi. S Jct. SR 171 · Structure no. 000000001070135

Built
1992
33 years old
Condition
Fair
inspected February 2024
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
250
2019 count
Owner
State
State Highway Agency

About this bridge

SR1709 over Eagle Swamp is a concrete continuous culvert carrying SR1709 over Eagle Swamp in Lenoir County, North Carolina. It was built in 1992, so it is 33 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 6 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 250 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2040. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1709
CrossesEagle Swamp
Location0.1 Mi. S Jct. SR 171
RouteState Highway 1709
Coordinates35.36536, -77.46461
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating34 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2019)
Projected traffic500 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 SR1709 over Eagle Swamp built?

It was built in 1992, making it 33 years old in 2025.

What condition is SR1709 over Eagle Swamp 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 February 2024.

How much traffic does SR1709 over Eagle Swamp carry?

About 250 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1709 over Eagle Swamp?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1709 over Eagle Swamp?

It is owned by the State Highway Agency.