US Bridges

SR1105 over Br. of Black Swamp CR

Good

Jones County, North Carolina · 4.5 Mi.E. of JCT.NC58 · Structure no. 000000001030068

Built
1991
34 years old
Condition
Good
inspected October 2024
Type
Culvert
Steel
Length
30 ft
3 main spans
Daily traffic
250
2022 count
Owner
State
State Highway Agency

About this bridge

SR1105 over Br. of Black Swamp CR is a steel culvert carrying SR1105 over Br. of Black Swamp CR in Jones County, North Carolina. It was built in 1991, so it is 34 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 250 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2040. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1105
CrossesBr. of Black Swamp CR
Location4.5 Mi.E. of JCT.NC58
RouteState Highway 1105
Coordinates34.89776, -77.13753
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 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 length30 ft (9.1 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2022)
Projected traffic500 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 SR1105 over Br. of Black Swamp CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is SR1105 over Br. of Black Swamp CR 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 October 2024.

How much traffic does SR1105 over Br. of Black Swamp CR carry?

About 250 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1105 over Br. of Black Swamp CR?

The structure is 30 ft (9.1 m) long with a longest span of 8 ft (2.4 m).

Who owns SR1105 over Br. of Black Swamp CR?

It is owned by the State Highway Agency.