US Bridges

SR1121 over Trent River

Fair

Jones County, North Carolina · 2.9 Mi. E. Jct. NC58 · Structure no. 000000001030017

Built
1993
32 years old
Condition
Fair
inspected October 2024
Type
Slab
Concrete Continuous
Length
237 ft
6 main spans
Daily traffic
850
2019 count
Owner
State
State Highway Agency

About this bridge

SR1121 over Trent River is a concrete continuous slab carrying SR1121 over Trent River in Jones County, North Carolina. It was built in 1993, so it is 32 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 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 850 vehicles a day, roughly 6% of them trucks, projected to reach 1,700 by 2040. The structure is 237 ft (72.2 m) long and 31 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1121
CrossesTrent River
Location2.9 Mi. E. Jct. NC58
RouteState Highway 1121
Coordinates35.03247, -77.26038
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating75.9 US tons
Inventory rating46 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length237 ft (72.2 m)
Longest span42 ft (12.8 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2019)
Projected traffic1,700 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1121 over Trent River built?

It was built in 1993, making it 32 years old in 2025.

What condition is SR1121 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 SR1121 over Trent River carry?

About 850 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1121 over Trent River?

The structure is 237 ft (72.2 m) long with a longest span of 42 ft (12.8 m) and a deck 31 ft wide.

Who owns SR1121 over Trent River?

It is owned by the State Highway Agency.