US Bridges

Nfa A094 over Small Branch

Fair

Marion County, Tennessee · 0.5 MI SE JCT SR28&SR108 · Structure no. 580A0940001

Built
1921
104 years old
Condition
Fair
inspected October 2024
Type
Tee Beam
Concrete
Length
31 ft
1 main span
Daily traffic
210
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A094 over Small Branch is a concrete tee beam carrying Nfa A094 over Small Branch in Marion County, Tennessee. It was built in 1921, so it is 104 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.

It carries about 210 vehicles a day, roughly 2% of them trucks, projected to reach 336 by 2040. The structure is 31 ft (9.4 m) long and 21 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa A094
CrossesSmall Branch
Location0.5 MI SE JCT SR28&SR108
RouteCity Street 94
CountyMarion County
StateTennessee
Coordinates35.18606, -85.51572
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span31 ft (9.4 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic210 (2020)
Projected traffic336 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$130,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A094 over Small Branch built?

It was built in 1921, making it 104 years old in 2025.

What condition is Nfa A094 over Small Branch 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 October 2024.

How much traffic does Nfa A094 over Small Branch carry?

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

How long is Nfa A094 over Small Branch?

The structure is 31 ft (9.4 m) long with a longest span of 31 ft (9.4 m) and a deck 21 ft wide.

Who owns Nfa A094 over Small Branch?

It is owned by the City or Municipal Highway Agency.