US Bridges

Nfa 1407 (sa 5807) over Mullens Creek

Fair

Marion County, Tennessee · 5.1 MI SW JCT SR27&HAMLIT · Structure no. 58S44400009

Built
1984
41 years old
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
371
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1407 (sa 5807) over Mullens Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 1407 (sa 5807) over Mullens Creek in Marion County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 371 vehicles a day, roughly 3% of them trucks, projected to reach 272 by 2040. The structure is 81 ft (24.8 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1407 (sa 5807)
CrossesMullens Creek
Location5.1 MI SW JCT SR27&HAMLIT
RouteCounty Highway 1407
CountyMarion County
StateTennessee
Coordinates35.08331, -85.46388
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: 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 rating70.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length81 ft (24.8 m)
Longest span28 ft (8.4 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic371 (2021)
Projected traffic272 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1407 (sa 5807) over Mullens Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 1407 (sa 5807) over Mullens 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 September 2024.

How much traffic does Nfa 1407 (sa 5807) over Mullens Creek carry?

About 371 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1407 (sa 5807) over Mullens Creek?

The structure is 81 ft (24.8 m) long with a longest span of 28 ft (8.4 m) and a deck 28 ft wide.

Who owns Nfa 1407 (sa 5807) over Mullens Creek?

It is owned by the County Highway Agency.