US Bridges

Nfa 1540 (sa 2405) over Mt. Tena Creek

FairPosted for load

Fayette County, Tennessee · 4.8 MI SE JCT SR57&SR76 · Structure no. 24015400011

Built
1965
60 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
114 ft
4 main spans
Daily traffic
163
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1540 (sa 2405) over Mt. Tena Creek is a concrete channel beam carrying Nfa 1540 (sa 2405) over Mt. Tena Creek in Fayette County, Tennessee. It was built in 1965, so it is 60 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 163 vehicles a day, roughly 3% of them trucks, projected to reach 261 by 2042. The structure is 114 ft (34.7 m) long and 25 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesNfa 1540 (sa 2405)
CrossesMt. Tena Creek
Location4.8 MI SE JCT SR57&SR76
RouteCounty Highway 1540
CountyFayette County
StateTennessee
Coordinates35.00467, -89.33867
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40 US tons
Inventory rating31.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length114 ft (34.7 m)
Longest span28 ft (8.5 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic163 (2021)
Projected traffic261 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1540 (sa 2405) over Mt. Tena Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1540 (sa 2405) over Mt. Tena 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 August 2024.

How much traffic does Nfa 1540 (sa 2405) over Mt. Tena Creek carry?

About 163 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1540 (sa 2405) over Mt. Tena Creek?

The structure is 114 ft (34.7 m) long with a longest span of 28 ft (8.5 m) and a deck 25 ft wide.

Who owns Nfa 1540 (sa 2405) over Mt. Tena Creek?

It is owned by the County Highway Agency.