US Bridges

SR1106 over Smithwick Creek

Poor

Martin County, North Carolina · 0.4 Mi. W. Jct. SR1524 · Structure no. 000000001170022

Built
1989
36 years old
Condition
Poor
inspected March 2024
Type
Slab
Prestressed Concrete
Length
62 ft
2 main spans
Daily traffic
250
2021 count
Owner
State
State Highway Agency

About this bridge

SR1106 over Smithwick Creek is a prestressed concrete slab carrying SR1106 over Smithwick Creek in Martin County, North Carolina. It was built in 1989, so it is 36 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 250 vehicles a day, roughly 6% of them trucks, projected to reach 500 by 2040. The structure is 62 ft (18.8 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesSR1106
CrossesSmithwick Creek
Location0.4 Mi. W. Jct. SR1524
RouteState Highway 1106
CountyMartin County
StateNorth Carolina
Coordinates35.74086, -77.06894
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be 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 rating99 US tons
Inventory rating82.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20 + Mod
Structure length62 ft (18.8 m)
Longest span29 ft (8.8 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic500 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 SR1106 over Smithwick Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR1106 over Smithwick Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in March 2024.

How much traffic does SR1106 over Smithwick Creek carry?

About 250 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1106 over Smithwick Creek?

The structure is 62 ft (18.8 m) long with a longest span of 29 ft (8.8 m) and a deck 27 ft wide.

Who owns SR1106 over Smithwick Creek?

It is owned by the State Highway Agency.