US Bridges

Nfa B084 over Lytle Creek

PoorPosted for load

Rutherford County, Tennessee · Salem RD near Mill ST · Structure no. 750B0840001

Built
1927
98 years old
Condition
Poor
inspected October 2024
Type
Arch - Deck
Concrete
Length
94 ft
2 main spans
Daily traffic
2,520
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa B084 over Lytle Creek is a concrete arch - deck carrying Nfa B084 over Lytle Creek in Rutherford County, Tennessee. It was built in 1927, so it is 98 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 2,520 vehicles a day, roughly 2% of them trucks, projected to reach 4,032 by 2042. The structure is 94 ft (28.7 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesNfa B084
CrossesLytle Creek
LocationSalem RD near Mill ST
RouteCity Street 0B084
CountyRutherford County
StateTennessee
Coordinates35.84105, -86.39632
Functional classUrban 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
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry2: Basically intolerable, requiring high priority of replacement
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 typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 10
Structure length94 ft (28.7 m)
Longest span46 ft (14 m)
Deck width25 ft (7.5 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,520 (2020)
Projected traffic4,032 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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$584,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B084 over Lytle Creek built?

It was built in 1927, making it 98 years old in 2025.

What condition is Nfa B084 over Lytle Creek 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 October 2024.

How much traffic does Nfa B084 over Lytle Creek carry?

About 2,520 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B084 over Lytle Creek?

The structure is 94 ft (28.7 m) long with a longest span of 46 ft (14 m) and a deck 25 ft wide.

Who owns Nfa B084 over Lytle Creek?

It is owned by the City or Municipal Highway Agency.