US Bridges

Nfa A454 over North Mouse Creek

Fair

McMinn County, Tennessee · .5MI East of I75 · Structure no. 540A4540001

Built
1994
31 years old
Condition
Fair
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
120 ft
2 main spans
Daily traffic
310
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A454 over North Mouse Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A454 over North Mouse Creek in McMinn County, Tennessee. It was built in 1994, so it is 31 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 6 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 310 vehicles a day, roughly 2% of them trucks, projected to reach 496 by 2042. The structure is 120 ft (36.6 m) long and 24 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A454
CrossesNorth Mouse Creek
Location.5MI East of I75
RouteCounty Highway 454
CountyMcMinn County
StateTennessee
Coordinates35.4255, -84.68333
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic310 (2020)
Projected traffic496 by 2042
Trucks2%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$298,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A454 over North Mouse Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa A454 over North Mouse 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 2023.

How much traffic does Nfa A454 over North Mouse Creek carry?

About 310 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A454 over North Mouse Creek?

The structure is 120 ft (36.6 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Nfa A454 over North Mouse Creek?

It is owned by the County Highway Agency.