US Bridges

Nfa A421 over Second Creek

Fair

Lawrence County, Tennessee · 4.5 M. E. Loretto. · Structure no. 500A4210001

Built
1960
65 years old, rebuilt 1975
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
22 ft
1 main span
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A421 over Second Creek is a steel stringer/multi-beam or girder carrying Nfa A421 over Second Creek in Lawrence County, Tennessee. It was built in 1960 and reconstructed in 1975, so it is 65 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 6 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 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2041. The structure is 22 ft (6.7 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesNfa A421
CrossesSecond Creek
Location4.5 M. E. Loretto.
RouteCounty Highway 421
CountyLawrence County
StateTennessee
Coordinates35.07705, -87.34127
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
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 evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.7 US tons
Inventory rating31.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length22 ft (6.7 m)
Longest span21 ft (6.5 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A421 over Second Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1975.

What condition is Nfa A421 over Second 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 May 2023.

How much traffic does Nfa A421 over Second Creek carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A421 over Second Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.5 m) and a deck 30 ft wide.

Who owns Nfa A421 over Second Creek?

It is owned by the County Highway Agency.