US Bridges

SR1120 over Brooks Swamp

Fair

Wayne County, North Carolina · 0.3 Mi.W. of JCT SR1127 · Structure no. 000000001910083

Built
1982
43 years old
Condition
Fair
inspected December 2024
Type
Slab
Prestressed Concrete
Length
90 ft
3 main spans
Daily traffic
950
2022 count
Owner
State
State Highway Agency

About this bridge

SR1120 over Brooks Swamp is a prestressed concrete slab carrying SR1120 over Brooks Swamp in Wayne County, North Carolina. It was built in 1982, so it is 43 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 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 950 vehicles a day, roughly 6% of them trucks, projected to reach 1,900 by 2040. The structure is 90 ft (27.4 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1120
CrossesBrooks Swamp
Location0.3 Mi.W. of JCT SR1127
RouteState Highway 1120
Coordinates35.26127, -78.08859
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
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.9 US tons
Inventory rating47 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length90 ft (27.4 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.3 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2022)
Projected traffic1,900 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1120 over Brooks Swamp built?

It was built in 1982, making it 43 years old in 2025.

What condition is SR1120 over Brooks Swamp 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 December 2024.

How much traffic does SR1120 over Brooks Swamp carry?

About 950 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1120 over Brooks Swamp?

The structure is 90 ft (27.4 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns SR1120 over Brooks Swamp?

It is owned by the State Highway Agency.