US Bridges

Nfa A261 over Murphy Hollow Creek

Fair

Marion County, Tennessee · 3.7 MI SE JCT SR2&SR134 · Structure no. 580A2610003

Built
1964
61 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
250
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A261 over Murphy Hollow Creek is a concrete continuous culvert carrying Nfa A261 over Murphy Hollow Creek in Marion County, Tennessee. It was built in 1964, so it is 61 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 250 vehicles a day, roughly 2% of them trucks, projected to reach 400 by 2040. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A261
CrossesMurphy Hollow Creek
Location3.7 MI SE JCT SR2&SR134
RouteCounty Highway 261
CountyMarion County
StateTennessee
Coordinates34.98668, -85.4982
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating99.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2020)
Projected traffic400 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A261 over Murphy Hollow Creek built?

It was built in 1964, making it 61 years old in 2025.

What condition is Nfa A261 over Murphy Hollow Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does Nfa A261 over Murphy Hollow Creek carry?

About 250 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A261 over Murphy Hollow Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa A261 over Murphy Hollow Creek?

It is owned by the County Highway Agency.