US Bridges

Nfa A245 over Marrowbone Creek

FairPosted for load

Cheatham County, Tennessee · 0.35 M. W. SR12. · Structure no. 110A2450001

Built
1960
65 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
82 ft
2 main spans
Daily traffic
50
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A245 over Marrowbone Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A245 over Marrowbone Creek in Cheatham County, Tennessee. It was built in 1960, 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 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 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2041. The structure is 82 ft (25 m) long and 10 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A245
CrossesMarrowbone Creek
Location0.35 M. W. SR12.
RouteCity Street 245
Coordinates36.25698, -87.05113
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating52.5 US tons
Inventory rating32.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length82 ft (25 m)
Longest span41 ft (12.5 m)
Deck width10 ft (3.1 m)
Roadway width9 ft (2.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 of existing bridge without deck rehabilitation
Estimated improvement cost$445,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A245 over Marrowbone Creek built?

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

What condition is Nfa A245 over 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 August 2024.

How much traffic does Nfa A245 over Marrowbone Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A245 over Marrowbone Creek?

The structure is 82 ft (25 m) long with a longest span of 41 ft (12.5 m) and a deck 10 ft wide.

Who owns Nfa A245 over Marrowbone Creek?

It is owned by the City or Municipal Highway Agency.