US Bridges

Nfa 4837 over Lytle Creek

Fair

Maury County, Tennessee · 1 MI S JCT SR 99 · Structure no. 60031980005

Built
1994
31 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete
Length
51 ft
3 main spans
Daily traffic
8,115
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 4837 over Lytle Creek is a concrete culvert carrying Nfa 4837 over Lytle Creek in Maury County, Tennessee. It was built in 1994, so it is 31 years old, younger 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.

It carries about 8,115 vehicles a day, roughly 3% of them trucks, projected to reach 9,616 by 2040. The structure is 51 ft (15.5 m) long. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa 4837
CrossesLytle Creek
Location1 MI S JCT SR 99
RouteCounty Highway 4837
CountyMaury County
StateTennessee
Coordinates35.60327, -87.01315
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 20
Structure length51 ft (15.5 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,115 (2021)
Projected traffic9,616 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 4837 over Lytle Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Nfa 4837 over Lytle 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 July 2024.

How much traffic does Nfa 4837 over Lytle Creek carry?

About 8,115 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 4837 over Lytle Creek?

The structure is 51 ft (15.5 m) long with a longest span of 15 ft (4.6 m).

Who owns Nfa 4837 over Lytle Creek?

It is owned by the County Highway Agency.