US Bridges

SR1611 over Grassy Branch

Good

Union County, North Carolina · 0.5 Mi. E. Jct. SR1640 · Structure no. 000000001790410

Built
2018
7 years old
Condition
Good
inspected April 2022
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
420
2017 count
Owner
State
State Highway Agency

About this bridge

SR1611 over Grassy Branch is a concrete continuous culvert carrying SR1611 over Grassy Branch in Union County, North Carolina. It was built in 2018, so it is 7 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 420 vehicles a day, roughly 6% of them trucks, projected to reach 840 by 2040. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1611
CrossesGrassy Branch
Location0.5 Mi. E. Jct. SR1640
RouteState Highway 1611
Coordinates35.12114, -80.49581
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.
Culvert7 GoodSome minor problems.
Last inspectionApril 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHL 93
Structure length34 ft (10.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic420 (2017)
Projected traffic840 by 2040
Trucks6%
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 SR1611 over Grassy Branch built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR1611 over Grassy 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 April 2022.

How much traffic does SR1611 over Grassy Branch carry?

About 420 vehicles per day (2017 count), of which roughly 6% are trucks.

How long is SR1611 over Grassy Branch?

The structure is 34 ft (10.3 m) long with a longest span of 10 ft (3 m).

Who owns SR1611 over Grassy Branch?

It is owned by the State Highway Agency.