US Bridges

SR1112 over Mercers Mill Pond

Fair

Brunswick County, North Carolina · 0.4 Mi.S.Of JCT.SR1114 · Structure no. 000000000190022

Built
1977
48 years old
Condition
Fair
inspected March 2023
Type
Slab
Prestressed Concrete
Length
91 ft
3 main spans
Daily traffic
2,500
2019 count
Owner
State
State Highway Agency

About this bridge

SR1112 over Mercers Mill Pond is a prestressed concrete slab carrying SR1112 over Mercers Mill Pond in Brunswick 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 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 2,500 vehicles a day, roughly 6% of them trucks, projected to reach 5,000 by 2040. The structure is 91 ft (27.7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR1112
CrossesMercers Mill Pond
Location0.4 Mi.S.Of JCT.SR1114
RouteState Highway 1112
CountyBrunswick County
StateNorth Carolina
Coordinates33.95823, -78.21383
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.
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 inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
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 rating62.9 US tons
Inventory rating28 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length91 ft (27.7 m)
Longest span29 ft (8.8 m)
Deck width30 ft (9.2 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,500 (2019)
Projected traffic5,000 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 SR1112 over Mercers Mill Pond built?

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

What condition is SR1112 over Mercers Mill Pond 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 March 2023.

How much traffic does SR1112 over Mercers Mill Pond carry?

About 2,500 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1112 over Mercers Mill Pond?

The structure is 91 ft (27.7 m) long with a longest span of 29 ft (8.8 m) and a deck 30 ft wide.

Who owns SR1112 over Mercers Mill Pond?

It is owned by the State Highway Agency.