US Bridges

SR1791 over Dunn Creek

Good

Henderson County, North Carolina · .3 MI.N.JCT.SR1722 · Structure no. 000000000890265

Built
2009
16 years old
Condition
Good
inspected February 2021
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
490
2000 count
Owner
State
State Highway Agency

About this bridge

SR1791 over Dunn Creek is a concrete continuous culvert carrying SR1791 over Dunn Creek in Henderson County, North Carolina. It was built in 2009, so it is 16 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 490 vehicles a day, roughly 7% of them trucks, projected to reach 980 by 2040. The structure is 26 ft (7.9 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1791
CrossesDunn Creek
Location.3 MI.N.JCT.SR1722
RouteState Highway 1791
Coordinates35.30306, -82.40204
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61.9 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20 + Mod
Structure length26 ft (7.9 m)
Longest span11 ft (3.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic490 (2000)
Projected traffic980 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 SR1791 over Dunn Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR1791 over Dunn Creek 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 February 2021.

How much traffic does SR1791 over Dunn Creek carry?

About 490 vehicles per day (2000 count), of which roughly 7% are trucks.

How long is SR1791 over Dunn Creek?

The structure is 26 ft (7.9 m) long with a longest span of 11 ft (3.3 m).

Who owns SR1791 over Dunn Creek?

It is owned by the State Highway Agency.