US Bridges

Nfa 5505 over Branch

Fair

Williamson County, Tennessee · 0.8 MI NW JCT SR106&SR248 · Structure no. 940A3110001

Built
1930
95 years old, rebuilt 1970
Condition
Fair
inspected May 2023
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
3,430
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 5505 over Branch is a concrete slab carrying Nfa 5505 over Branch in Williamson County, Tennessee. It was built in 1930 and reconstructed in 1970, so it is 95 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 3,430 vehicles a day, roughly 3% of them trucks, projected to reach 5,488 by 2042. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa 5505
CrossesBranch
Location0.8 MI NW JCT SR106&SR248
RouteCounty Highway 5505
Coordinates35.87175, -86.84683
Functional classUrban Collector

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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length21 ft (6.4 m)
Longest span18 ft (5.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,430 (2021)
Projected traffic5,488 by 2042
Trucks3%
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 with deck rehabilitation or replacement
Estimated improvement cost$148,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 5505 over Branch built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1970.

What condition is Nfa 5505 over 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 May 2023.

How much traffic does Nfa 5505 over Branch carry?

About 3,430 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 5505 over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 18 ft (5.5 m) and a deck 26 ft wide.

Who owns Nfa 5505 over Branch?

It is owned by the County Highway Agency.