US Bridges

SR1772 over Cow Swamp

Fair

Pitt County, North Carolina · 0.4 MI.N.JCT.SR1777 · Structure no. 000000001470008

Built
1983
42 years old
Condition
Fair
inspected October 2023
Type
Slab
Prestressed Concrete
Length
92 ft
2 main spans
Daily traffic
890
2016 count
Owner
State
State Highway Agency

About this bridge

SR1772 over Cow Swamp is a prestressed concrete slab carrying SR1772 over Cow Swamp in Pitt County, North Carolina. It was built in 1983, so it is 42 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.

It carries about 890 vehicles a day, roughly 6% of them trucks, projected to reach 1,780 by 2040. The structure is 92 ft (28 m) long and 27 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1772
CrossesCow Swamp
Location0.4 MI.N.JCT.SR1777
RouteState Highway 1772
Coordinates35.52037, -77.23429
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating89.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length92 ft (28 m)
Longest span45 ft (13.7 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic890 (2016)
Projected traffic1,780 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 SR1772 over Cow Swamp built?

It was built in 1983, making it 42 years old in 2025.

What condition is SR1772 over Cow 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 October 2023.

How much traffic does SR1772 over Cow Swamp carry?

About 890 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1772 over Cow Swamp?

The structure is 92 ft (28 m) long with a longest span of 45 ft (13.7 m) and a deck 27 ft wide.

Who owns SR1772 over Cow Swamp?

It is owned by the State Highway Agency.