US Bridges

SR1175 over Spring Branch

Fair

New Hanover County, North Carolina · 0.05 MI N JCT US17/74 · Structure no. 000000001290001

Built
1994
31 years old
Condition
Fair
inspected December 2024
Type
Slab
Concrete Continuous
Length
91 ft
3 main spans
Daily traffic
16,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR1175 over Spring Branch is a concrete continuous slab carrying SR1175 over Spring Branch in New Hanover County, North Carolina. It was built in 1994, so it is 31 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 16,500 vehicles a day, roughly 8% of them trucks, projected to reach 33,000 by 2040. The structure is 91 ft (27.7 m) long and 43 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesSR1175
CrossesSpring Branch
Location0.05 MI N JCT US17/74
RouteState Highway 1175
CountyNew Hanover County
StateNorth Carolina
Coordinates34.2597, -77.88787
Functional classUrban Minor Arterial

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.
Substructure7 GoodSome minor problems.
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 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 rating84 US tons
Inventory rating49.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length91 ft (27.7 m)
Longest span33 ft (10 m)
Deck width43 ft (13.1 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,500 (2022)
Projected traffic33,000 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 SR1175 over Spring Branch built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR1175 over Spring 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 December 2024.

How much traffic does SR1175 over Spring Branch carry?

About 16,500 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is SR1175 over Spring Branch?

The structure is 91 ft (27.7 m) long with a longest span of 33 ft (10 m) and a deck 43 ft wide.

Who owns SR1175 over Spring Branch?

It is owned by the State Highway Agency.