US Bridges

SR3136 over Merrill Cove Creek

Good

Buncombe County, North Carolina · .1 MI.N.JCT.SR3221 · Structure no. 000000000210583

Built
1947
78 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete Continuous
Length
28 ft
3 main spans
Daily traffic
8,200
2022 count
Owner
State
State Highway Agency

About this bridge

SR3136 over Merrill Cove Creek is a concrete continuous culvert carrying SR3136 over Merrill Cove Creek in Buncombe County, North Carolina. It was built in 1947, so it is 78 years old, older 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 8,200 vehicles a day, roughly 7% of them trucks, projected to reach 16,400 by 2040. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR3136
CrossesMerrill Cove Creek
Location.1 MI.N.JCT.SR3221
RouteState Highway 3136
Coordinates35.46151, -82.46717
Functional classUrban Collector

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 inspectionNovember 2024
Inspection intervalevery 24 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 rating46 US tons
Inventory rating35.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
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 traffic8,200 (2022)
Projected traffic16,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR3136 over Merrill Cove Creek built?

It was built in 1947, making it 78 years old in 2025.

What condition is SR3136 over Merrill Cove 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 November 2024.

How much traffic does SR3136 over Merrill Cove Creek carry?

About 8,200 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR3136 over Merrill Cove Creek?

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

Who owns SR3136 over Merrill Cove Creek?

It is owned by the State Highway Agency.