US Bridges

NC97 over Trib. of Marsh Swamp

Fair

Halifax County, North Carolina · 1.1 Mi. W. Jct. NC122 · Structure no. 000000000830033

Built
1950
75 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
29 ft
3 main spans
Daily traffic
450
2018 count
Owner
State
State Highway Agency

About this bridge

NC97 over Trib. of Marsh Swamp is a concrete continuous culvert carrying NC97 over Trib. of Marsh Swamp in Halifax County, North Carolina. It was built in 1950, so it is 75 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 5 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 450 vehicles a day, roughly 7% of them trucks, projected to reach 900 by 2040. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNC97
CrossesTrib. of Marsh Swamp
Location1.1 Mi. W. Jct. NC122
RouteState Highway 97
CountyHalifax County
StateNorth Carolina
Coordinates36.02535, -77.42548
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2018)
Projected traffic900 by 2040
Trucks7%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC97 over Trib. of Marsh Swamp built?

It was built in 1950, making it 75 years old in 2025.

What condition is NC97 over Trib. of Marsh 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 March 2023.

How much traffic does NC97 over Trib. of Marsh Swamp carry?

About 450 vehicles per day (2018 count), of which roughly 7% are trucks.

How long is NC97 over Trib. of Marsh Swamp?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m).

Who owns NC97 over Trib. of Marsh Swamp?

It is owned by the State Highway Agency.