US Bridges

Nfa A642 (sa 5021) over Brush Creek

FairPosted for load

Lawrence County, Tennessee · 5.2 M.NW-JCT-SR240&SR241. · Structure no. 500A6420001

Built
1932
93 years old, rebuilt 1962
Condition
Fair
inspected April 2023
Type
Slab
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A642 (sa 5021) over Brush Creek is a concrete continuous slab carrying Nfa A642 (sa 5021) over Brush Creek in Lawrence County, Tennessee. It was built in 1932 and reconstructed in 1962, 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 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. Its operating status is: posted for load restriction.

It carries about 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2042. The structure is 45 ft (13.6 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A642 (sa 5021)
CrossesBrush Creek
Location5.2 M.NW-JCT-SR240&SR241.
RouteCounty Highway 642
CountyLawrence County
StateTennessee
Coordinates35.37544, -87.56562
Functional classRural 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating17.9 US tons
Inventory rating13.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length45 ft (13.6 m)
Longest span14 ft (4.3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2042
Trucks2%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$269,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A642 (sa 5021) over Brush Creek built?

It was built in 1932, making it 93 years old in 2025. It was reconstructed in 1962.

What condition is Nfa A642 (sa 5021) over Brush Creek 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 2023.

How much traffic does Nfa A642 (sa 5021) over Brush Creek carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A642 (sa 5021) over Brush Creek?

The structure is 45 ft (13.6 m) long with a longest span of 14 ft (4.3 m) and a deck 26 ft wide.

Who owns Nfa A642 (sa 5021) over Brush Creek?

It is owned by the County Highway Agency.