US Bridges

SR1004 over White Oak Swamp

Good

Nash County, North Carolina · 0.7 MI S JCT SR1400 · Structure no. 000000001270236

Built
1990
35 years old
Condition
Good
inspected May 2024
Type
Culvert
Steel
Length
41 ft
3 main spans
Daily traffic
350
2019 count
Owner
State
State Highway Agency

About this bridge

SR1004 over White Oak Swamp is a steel culvert carrying SR1004 over White Oak Swamp in Nash County, North Carolina. It was built in 1990, so it is 35 years old, younger than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 350 vehicles a day, roughly 6% of them trucks, projected to reach 700 by 2040. The structure is 41 ft (12.4 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1004
CrossesWhite Oak Swamp
Location0.7 MI S JCT SR1400
RouteState Highway 1004
Coordinates36.16799, -78.00686
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length41 ft (12.4 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2019)
Projected traffic700 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 SR1004 over White Oak Swamp built?

It was built in 1990, making it 35 years old in 2025.

What condition is SR1004 over White Oak Swamp in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does SR1004 over White Oak Swamp carry?

About 350 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1004 over White Oak Swamp?

The structure is 41 ft (12.4 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1004 over White Oak Swamp?

It is owned by the State Highway Agency.