US Bridges

FAP 48 over Town Branch & Nfa A178

Fair

Dickson County, Tennessee · In Charlotte City Limits · Structure no. 22SR0480015

Built
1929
96 years old, rebuilt 1988
Condition
Fair
inspected April 2024
Type
Tee Beam
Concrete
Length
53 ft
2 main spans
Daily traffic
7,264
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 48 over Town Branch & Nfa A178 is a concrete tee beam carrying FAP 48 over Town Branch & Nfa A178 in Dickson County, Tennessee. It was built in 1929 and reconstructed in 1988, so it is 96 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 7,264 vehicles a day, roughly 5% of them trucks, projected to reach 13,072 by 2040. The structure is 53 ft (16.2 m) long and 36 ft wide. If it were closed, the detour would be 65.2 mi (105 km).

CarriesFAP 48
CrossesTown Branch & Nfa A178
LocationIn Charlotte City Limits
RouteState Highway 48
Coordinates36.1753, -87.34286
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length53 ft (16.2 m)
Longest span25 ft (7.6 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,264 (2021)
Projected traffic13,072 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed65.2 mi (105 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$209,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 48 over Town Branch & Nfa A178 built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1988.

What condition is FAP 48 over Town Branch & Nfa A178 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 April 2024.

How much traffic does FAP 48 over Town Branch & Nfa A178 carry?

About 7,264 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 48 over Town Branch & Nfa A178?

The structure is 53 ft (16.2 m) long with a longest span of 25 ft (7.6 m) and a deck 36 ft wide.

Who owns FAP 48 over Town Branch & Nfa A178?

It is owned by the State Highway Agency.