US Bridges

FAP 401 (sr 24) over Branch

PoorPosted for load

Smith County, Tennessee · 1.92 Mi.W.Of S.Carthage · Structure no. 80SR0240007

Built
1938
87 years old
Condition
Poor
inspected May 2023
Type
Tee Beam
Concrete
Length
37 ft
2 main spans
Daily traffic
4,375
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 401 (sr 24) over Branch is a concrete tee beam carrying FAP 401 (sr 24) over Branch in Smith County, Tennessee. It was built in 1938, 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 poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 4,375 vehicles a day, roughly 6% of them trucks, projected to reach 6,912 by 2041. The structure is 37 ft (11.3 m) long and 27 ft wide. If it were closed, the detour would be 32.9 mi (53 km).

Location

Open in Google Maps
CarriesFAP 401 (sr 24)
CrossesBranch
Location1.92 Mi.W.Of S.Carthage
RouteU.S. Route SR024
CountySmith County
StateTennessee
Coordinates36.25003, -86.01806
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating22.2 US tons
Inventory rating17.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length37 ft (11.3 m)
Longest span17 ft (5.2 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,375 (2021)
Projected traffic6,912 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed32.9 mi (53 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$206,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 401 (sr 24) over Branch built?

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

What condition is FAP 401 (sr 24) over Branch in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2023.

How much traffic does FAP 401 (sr 24) over Branch carry?

About 4,375 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 401 (sr 24) over Branch?

The structure is 37 ft (11.3 m) long with a longest span of 17 ft (5.2 m) and a deck 27 ft wide.

Who owns FAP 401 (sr 24) over Branch?

It is owned by the State Highway Agency.