US Bridges

Nfa A263 over Aden Branch

Fair

Williamson County, Tennessee · 3.1 MI SW JCT SR96&SR100 · Structure no. 940A2630001

Built
1938
87 years old, rebuilt 1970
Condition
Fair
inspected July 2023
Type
Tee Beam
Concrete
Length
52 ft
2 main spans
Daily traffic
240
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A263 over Aden Branch is a concrete tee beam carrying Nfa A263 over Aden Branch in Williamson County, Tennessee. It was built in 1938 and reconstructed in 1970, so it is 87 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 240 vehicles a day, roughly 2% of them trucks, projected to reach 384 by 2041. The structure is 52 ft (15.8 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A263
CrossesAden Branch
Location3.1 MI SW JCT SR96&SR100
RouteCounty Highway 263
CountyWilliamson County
StateTennessee
Coordinates35.96913, -87.16458
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length52 ft (15.8 m)
Longest span24 ft (7.3 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic240 (2020)
Projected traffic384 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 with deck rehabilitation or replacement
Estimated improvement cost$193,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A263 over Aden Branch built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1970.

What condition is Nfa A263 over Aden 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 July 2023.

How much traffic does Nfa A263 over Aden Branch carry?

About 240 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A263 over Aden Branch?

The structure is 52 ft (15.8 m) long with a longest span of 24 ft (7.3 m) and a deck 22 ft wide.

Who owns Nfa A263 over Aden Branch?

It is owned by the County Highway Agency.