US Bridges

Nfa A235 over Little Marrowbone Creek

Fair

Davidson County, Tennessee · 2.15 M. W. Germantown · Structure no. 190A2350003

Built
1935
90 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
740
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A235 over Little Marrowbone Creek is a concrete continuous culvert carrying Nfa A235 over Little Marrowbone Creek in Davidson County, Tennessee. It was built in 1935, so it is 90 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 740 vehicles a day, roughly 2% of them trucks, projected to reach 1,184 by 2041. The structure is 28 ft (8.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesNfa A235
CrossesLittle Marrowbone Creek
Location2.15 M. W. Germantown
RouteCity Street 235
CountyDavidson County
StateTennessee
Coordinates36.27348, -86.90147
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: 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 rating28.9 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic740 (2020)
Projected traffic1,184 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$220,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A235 over Little Marrowbone Creek built?

It was built in 1935, making it 90 years old in 2025.

What condition is Nfa A235 over Little Marrowbone 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 2023.

How much traffic does Nfa A235 over Little Marrowbone Creek carry?

About 740 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A235 over Little Marrowbone Creek?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa A235 over Little Marrowbone Creek?

It is owned by the City or Municipal Highway Agency.