US Bridges

Nfa A105 over Little Mouse Creek

Fair

McMinn County, Tennessee · .04 MI from SR2 · Structure no. 540A1050001

Built
1936
89 years old, rebuilt 1965
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
730
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A105 over Little Mouse Creek is a steel stringer/multi-beam or girder carrying Nfa A105 over Little Mouse Creek in McMinn County, Tennessee. It was built in 1936 and reconstructed in 1965, so it is 89 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 730 vehicles a day, roughly 2% of them trucks, projected to reach 1,168 by 2042. The structure is 25 ft (7.6 m) long and 22 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A105
CrossesLittle Mouse Creek
Location.04 MI from SR2
RouteCounty Highway 105
CountyMcMinn County
StateTennessee
Coordinates35.49346, -84.57589
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span20 ft (6.1 m)
Deck width22 ft (6.8 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2020)
Projected traffic1,168 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$113,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A105 over Little Mouse Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1965.

What condition is Nfa A105 over Little 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 A105 over Little Mouse Creek carry?

About 730 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A105 over Little Mouse Creek?

The structure is 25 ft (7.6 m) long with a longest span of 20 ft (6.1 m) and a deck 22 ft wide.

Who owns Nfa A105 over Little Mouse Creek?

It is owned by the County Highway Agency.