US Bridges

SR1756 over Cow Swamp

PoorPosted for load

Pitt County, North Carolina · 0.4 MI N JCT SR 1777 · Structure no. 000000001470006

Built
1977
48 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
137 ft
8 main spans
Daily traffic
700
2022 count
Owner
State
State Highway Agency

About this bridge

SR1756 over Cow Swamp is a wood or timber stringer/multi-beam or girder carrying SR1756 over Cow Swamp in Pitt County, North Carolina. It was built in 1977, so it is 48 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 700 vehicles a day, roughly 6% of them trucks, projected to reach 1,400 by 2040. The structure is 137 ft (41.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1756
CrossesCow Swamp
Location0.4 MI N JCT SR 1777
RouteState Highway 1756
Coordinates35.53388, -77.22521
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: 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 rating26.9 US tons
Inventory rating18 US tons

Structure

MaterialWood or Timber
DeckConcrete, cast-in-place
Main spans8
Design loadUnknown
Structure length137 ft (41.7 m)
Longest span17 ft (5.1 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2022)
Projected traffic1,400 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1756 over Cow Swamp built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR1756 over Cow Swamp 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 November 2023.

How much traffic does SR1756 over Cow Swamp carry?

About 700 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1756 over Cow Swamp?

The structure is 137 ft (41.7 m) long with a longest span of 17 ft (5.1 m) and a deck 30 ft wide.

Who owns SR1756 over Cow Swamp?

It is owned by the State Highway Agency.