US Bridges

US701 Byp over Pinelog Swamp

Fair

Columbus County, North Carolina · 0.4 MI.S.JCT.SR1437 · Structure no. 000000000470019

Built
1955
70 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
113 ft
3 main spans
Daily traffic
15,500
2022 count
Owner
State
State Highway Agency

About this bridge

US701 Byp over Pinelog Swamp is a concrete tee beam carrying US701 Byp over Pinelog Swamp in Columbus County, North Carolina. It was built in 1955, so it is 70 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 15,500 vehicles a day, roughly 12% of them trucks, projected to reach 31,000 by 2040. The structure is 113 ft (34.4 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS701 Byp
CrossesPinelog Swamp
Location0.4 MI.S.JCT.SR1437
RouteU.S. Route 701
CountyColumbus County
StateNorth Carolina
Coordinates34.3185, -78.70879
Functional classUrban Other Principal Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length113 ft (34.4 m)
Longest span37 ft (11.2 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,500 (2022)
Projected traffic31,000 by 2040
Trucks12%
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 US701 Byp over Pinelog Swamp built?

It was built in 1955, making it 70 years old in 2025.

What condition is US701 Byp over Pinelog 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 September 2023.

How much traffic does US701 Byp over Pinelog Swamp carry?

About 15,500 vehicles per day (2022 count), of which roughly 12% are trucks.

How long is US701 Byp over Pinelog Swamp?

The structure is 113 ft (34.4 m) long with a longest span of 37 ft (11.2 m) and a deck 33 ft wide.

Who owns US701 Byp over Pinelog Swamp?

It is owned by the State Highway Agency.