US Bridges

SR1129 over Trent River

Fair

Jones County, North Carolina · 1.2 Mi. N. of Jct. NC41 · Structure no. 000000001030035

Built
1977
48 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
600
2022 count
Owner
State
State Highway Agency

About this bridge

SR1129 over Trent River is a prestressed concrete slab carrying SR1129 over Trent River in Jones County, North Carolina. It was built in 1977, so it is 48 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 600 vehicles a day, roughly 7% of them trucks, projected to reach 1,200 by 2040. The structure is 120 ft (36.5 m) long and 30 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1129
CrossesTrent River
Location1.2 Mi. N. of Jct. NC41
RouteState Highway 1129
Coordinates35.06375, -77.46127
Functional classRural Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating33 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length120 ft (36.5 m)
Longest span40 ft (12.1 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2022)
Projected traffic1,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1129 over Trent River built?

It was built in 1977, making it 48 years old in 2025.

What condition is SR1129 over Trent River 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 October 2024.

How much traffic does SR1129 over Trent River carry?

About 600 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1129 over Trent River?

The structure is 120 ft (36.5 m) long with a longest span of 40 ft (12.1 m) and a deck 30 ft wide.

Who owns SR1129 over Trent River?

It is owned by the State Highway Agency.