US Bridges

Nfa A315 over Citico Creek

Fair

Monroe County, Tennessee · Mt Pleasant RD · Structure no. 620A3150001

Built
1940
85 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
182 ft
6 main spans
Daily traffic
110
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A315 over Citico Creek is a concrete tee beam carrying Nfa A315 over Citico Creek in Monroe County, Tennessee. It was built in 1940, so it is 85 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 176 by 2042. The structure is 182 ft (55.6 m) long and 24 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesNfa A315
CrossesCitico Creek
LocationMt Pleasant RD
RouteCounty Highway 315
Coordinates35.51499, -84.09726
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadUnknown
Structure length182 ft (55.6 m)
Longest span42 ft (12.8 m)
Deck width24 ft (7.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2020)
Projected traffic176 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$406,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A315 over Citico Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A315 over Citico 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 July 2024.

How much traffic does Nfa A315 over Citico Creek carry?

About 110 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A315 over Citico Creek?

The structure is 182 ft (55.6 m) long with a longest span of 42 ft (12.8 m) and a deck 24 ft wide.

Who owns Nfa A315 over Citico Creek?

It is owned by the County Highway Agency.