US Bridges

SR1129 over Chinquapin Branch

Fair

Jones County, North Carolina · 0.9 MI N. JCT Nc 58 · Structure no. 000000001030007

Built
2007
18 years old
Condition
Fair
inspected October 2024
Type
Slab
Prestressed Concrete
Length
117 ft
3 main spans
Daily traffic
150
2022 count
Owner
State
State Highway Agency

About this bridge

SR1129 over Chinquapin Branch is a prestressed concrete slab carrying SR1129 over Chinquapin Branch in Jones County, North Carolina. It was built in 2007, so it is 18 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 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 150 vehicles a day, roughly 6% of them trucks, projected to reach 300 by 2040. The structure is 117 ft (35.6 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1129
CrossesChinquapin Branch
Location0.9 MI N. JCT Nc 58
RouteState Highway 1129
Coordinates35.0957, -77.4399
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
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 rating88 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length117 ft (35.6 m)
Longest span54 ft (16.4 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2022)
Projected traffic300 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 SR1129 over Chinquapin Branch built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR1129 over Chinquapin Branch 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 Chinquapin Branch carry?

About 150 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1129 over Chinquapin Branch?

The structure is 117 ft (35.6 m) long with a longest span of 54 ft (16.4 m) and a deck 30 ft wide.

Who owns SR1129 over Chinquapin Branch?

It is owned by the State Highway Agency.