US Bridges

SR1156 over Mountain Canal

Good

Washington County, North Carolina · 0.5 Mi. N. of Jct. SR1165 · Structure no. 000000001870046

Built
1995
30 years old
Condition
Good
inspected March 2023
Type
Culvert
Steel
Length
28 ft
3 main spans
Daily traffic
170
2015 count
Owner
State
State Highway Agency

About this bridge

SR1156 over Mountain Canal is a steel culvert carrying SR1156 over Mountain Canal in Washington County, North Carolina. It was built in 1995, so it is 30 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 good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 170 vehicles a day, roughly 6% of them trucks, projected to reach 340 by 2040. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 3.7 mi (6 km).

CarriesSR1156
CrossesMountain Canal
Location0.5 Mi. N. of Jct. SR1165
RouteState Highway 1156
Coordinates35.81786, -76.41488
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length28 ft (8.5 m)
Longest span9 ft (2.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2015)
Projected traffic340 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 SR1156 over Mountain Canal built?

It was built in 1995, making it 30 years old in 2025.

What condition is SR1156 over Mountain Canal in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in March 2023.

How much traffic does SR1156 over Mountain Canal carry?

About 170 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1156 over Mountain Canal?

The structure is 28 ft (8.5 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1156 over Mountain Canal?

It is owned by the State Highway Agency.