US Bridges

NC904 over Caw Caw Swamp

Fair

Brunswick County, North Carolina · 0.5MI.N.JCT.SR1304 · Structure no. 000000000190017

Built
1952
73 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
25 ft
3 main spans
Daily traffic
6,300
2021 count
Owner
State
State Highway Agency

About this bridge

NC904 over Caw Caw Swamp is a concrete continuous culvert carrying NC904 over Caw Caw Swamp in Brunswick County, North Carolina. It was built in 1952, so it is 73 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 6,300 vehicles a day, roughly 7% of them trucks, projected to reach 12,600 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesNC904
CrossesCaw Caw Swamp
Location0.5MI.N.JCT.SR1304
RouteState Highway 904
CountyBrunswick County
StateNorth Carolina
Coordinates33.98163, -78.52954
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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than 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 length25 ft (7.6 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 traffic6,300 (2021)
Projected traffic12,600 by 2040
Trucks7%
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 NC904 over Caw Caw Swamp built?

It was built in 1952, making it 73 years old in 2025.

What condition is NC904 over Caw Caw 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 May 2023.

How much traffic does NC904 over Caw Caw Swamp carry?

About 6,300 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is NC904 over Caw Caw Swamp?

The structure is 25 ft (7.6 m) long with a longest span of 9 ft (2.7 m).

Who owns NC904 over Caw Caw Swamp?

It is owned by the State Highway Agency.