US Bridges

Nfa 1407 (sa 5807) over Ellis Gap Branch

Good

Marion County, Tennessee · 3.9 MI NE JCT SR2&SR134 · Structure no. 58014070015

Built
1958
67 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
371
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1407 (sa 5807) over Ellis Gap Branch is a concrete continuous culvert carrying Nfa 1407 (sa 5807) over Ellis Gap Branch in Marion County, Tennessee. It was built in 1958, so it is 67 years old, older than the Tennessee average of 47.4 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 371 vehicles a day, roughly 3% of them trucks, projected to reach 272 by 2040. The structure is 22 ft (6.6 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1407 (sa 5807)
CrossesEllis Gap Branch
Location3.9 MI NE JCT SR2&SR134
RouteCounty Highway 1407
Coordinates35.04855, -85.4761
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
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 rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3 m)
Deck width27 ft (8.2 m)
Roadway width26 ft (7.9 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 Ellis Gap Branch built?

It was built in 1958, making it 67 years old in 2025.

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

How much traffic does Nfa 1407 (sa 5807) over Ellis Gap Branch carry?

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

How long is Nfa 1407 (sa 5807) over Ellis Gap Branch?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Nfa 1407 (sa 5807) over Ellis Gap Branch?

It is owned by the County Highway Agency.