US Bridges

SR1731 over Duck Creek

FairPosted for load

Caldwell County, North Carolina · .4 MI.E.JCT.SR1772 · Structure no. 000000000270333

Built
1958
67 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
200
2022 count
Owner
State
State Highway Agency

About this bridge

SR1731 over Duck Creek is a steel stringer/multi-beam or girder carrying SR1731 over Duck Creek in Caldwell County, North Carolina. It was built in 1958, so it is 67 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 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. Its operating status is: posted for load restriction.

It carries about 200 vehicles a day, roughly 6% of them trucks, projected to reach 400 by 2040. The structure is 36 ft (10.9 m) long and 17 ft wide. If it were closed, the detour would be 10.6 mi (17 km).

Location

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CarriesSR1731
CrossesDuck Creek
Location.4 MI.E.JCT.SR1772
RouteState Highway 1731
CountyCaldwell County
StateNorth Carolina
Coordinates35.95885, -81.33976
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating20 US tons
Inventory rating11.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length36 ft (10.9 m)
Longest span34 ft (10.3 m)
Deck width17 ft (5.3 m)
Roadway width16 ft (5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2022)
Projected traffic400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed10.6 mi (17 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 SR1731 over Duck Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is SR1731 over Duck Creek 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 April 2024.

How much traffic does SR1731 over Duck Creek carry?

About 200 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1731 over Duck Creek?

The structure is 36 ft (10.9 m) long with a longest span of 34 ft (10.3 m) and a deck 17 ft wide.

Who owns SR1731 over Duck Creek?

It is owned by the State Highway Agency.