US Bridges

Nfa A100 over North Mouse Creek

Fair

McMinn County, Tennessee · .5MI East of I75 · Structure no. 540A1000001

Built
1997
28 years old
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
87 ft
2 main spans
Daily traffic
210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A100 over North Mouse Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A100 over North Mouse Creek in McMinn County, Tennessee. It was built in 1997, so it is 28 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 210 vehicles a day, roughly 2% of them trucks, projected to reach 336 by 2042. The structure is 87 ft (26.5 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa A100
CrossesNorth Mouse Creek
Location.5MI East of I75
RouteCounty Highway 100
CountyMcMinn County
StateTennessee
Coordinates35.52724, -84.58149
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
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 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 rating43.5 US tons
Inventory rating26.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length87 ft (26.5 m)
Longest span44 ft (13.4 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A100 over North Mouse Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is Nfa A100 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 August 2023.

How much traffic does Nfa A100 over North Mouse Creek carry?

About 210 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A100 over North Mouse Creek?

The structure is 87 ft (26.5 m) long with a longest span of 44 ft (13.4 m) and a deck 26 ft wide.

Who owns Nfa A100 over North Mouse Creek?

It is owned by the County Highway Agency.