US Bridges

Nfa A424 over Mcbride Branch

PoorPosted for load

Coffee County, Tennessee · .2 MI from SR 2 · Structure no. 160A4240001

Built
1932
93 years old
Condition
Poor
inspected January 2024
Type
Tee Beam
Concrete
Length
67 ft
2 main spans
Daily traffic
140
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A424 over Mcbride Branch is a concrete tee beam carrying Nfa A424 over Mcbride Branch in Coffee County, Tennessee. It was built in 1932, so it is 93 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 140 vehicles a day, roughly 2% of them trucks, projected to reach 224 by 2042. The structure is 67 ft (20.3 m) long and 23 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A424
CrossesMcbride Branch
Location.2 MI from SR 2
RouteCounty Highway 424
Coordinates35.6091, -86.22626
Functional classRural Local

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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, 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 inspectionJanuary 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable 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 length67 ft (20.3 m)
Longest span32 ft (9.8 m)
Deck width23 ft (7.1 m)
Roadway width21 ft (6.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic140 (2020)
Projected traffic224 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 of existing bridge without deck rehabilitation
Estimated improvement cost$194,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A424 over Mcbride Branch built?

It was built in 1932, making it 93 years old in 2025.

What condition is Nfa A424 over Mcbride 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 January 2024.

How much traffic does Nfa A424 over Mcbride Branch carry?

About 140 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A424 over Mcbride Branch?

The structure is 67 ft (20.3 m) long with a longest span of 32 ft (9.8 m) and a deck 23 ft wide.

Who owns Nfa A424 over Mcbride Branch?

It is owned by the County Highway Agency.