US Bridges

SR1820 over Conner Mill Branch

Good

Haywood County, North Carolina · 0.1 Mi. N. Jct. SR1819 · Structure no. 000000000870321

Built
2015
10 years old
Condition
Good
inspected December 2021
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
440
2016 count
Owner
State
State Highway Agency

About this bridge

SR1820 over Conner Mill Branch is a concrete continuous culvert carrying SR1820 over Conner Mill Branch in Haywood County, North Carolina. It was built in 2015, so it is 10 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 440 vehicles a day, roughly 7% of them trucks, projected to reach 880 by 2040. The structure is 23 ft (7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1820
CrossesConner Mill Branch
Location0.1 Mi. N. Jct. SR1819
RouteState Highway 1820
Coordinates35.52634, -82.90719
Functional classUrban 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 inspectionDecember 2021
Inspection intervalevery 48 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 alignment6: Equal to present minimum criteria
Operating rating56 US tons
Inventory rating43 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHL 93
Structure length23 ft (7 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 traffic440 (2016)
Projected traffic880 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SR1820 over Conner Mill Branch built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR1820 over Conner Mill Branch 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 December 2021.

How much traffic does SR1820 over Conner Mill Branch carry?

About 440 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is SR1820 over Conner Mill Branch?

The structure is 23 ft (7 m) long with a longest span of 9 ft (2.7 m).

Who owns SR1820 over Conner Mill Branch?

It is owned by the State Highway Agency.