US Bridges

SR1543 over Lyon Swamp Canal

PoorPosted for load

Bladen County, North Carolina · 0.3 Mi. N. Jct. SR1540 · Structure no. 000000000170065

Built
1954
71 years old, rebuilt 1983
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
52 ft
3 main spans
Daily traffic
120
2000 count
Owner
State
State Highway Agency

About this bridge

SR1543 over Lyon Swamp Canal is a wood or timber stringer/multi-beam or girder carrying SR1543 over Lyon Swamp Canal in Bladen County, North Carolina. It was built in 1954 and reconstructed in 1983, so it is 71 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, roughly 6% of them trucks, projected to reach 240 by 2040. The structure is 52 ft (15.8 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1543
CrossesLyon Swamp Canal
Location0.3 Mi. N. Jct. SR1540
RouteState Highway 1543
Coordinates34.43691, -78.23586
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28 US tons
Inventory rating20 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadUnknown
Structure length52 ft (15.8 m)
Longest span17 ft (5.1 m)
Deck width20 ft (6 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2000)
Projected traffic240 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1543 over Lyon Swamp Canal built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1983.

What condition is SR1543 over Lyon Swamp Canal in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does SR1543 over Lyon Swamp Canal carry?

About 120 vehicles per day (2000 count), of which roughly 6% are trucks.

How long is SR1543 over Lyon Swamp Canal?

The structure is 52 ft (15.8 m) long with a longest span of 17 ft (5.1 m) and a deck 20 ft wide.

Who owns SR1543 over Lyon Swamp Canal?

It is owned by the State Highway Agency.