US Bridges

Nfa C475 over Otter Creek

Fair

Davidson County, Tennessee · Cromwell Dr@ Melbourne DR · Structure no. 190B3810001

Built
1950
75 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
47 ft
4 main spans
Daily traffic
500
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa C475 over Otter Creek is a concrete continuous culvert carrying Nfa C475 over Otter Creek in Davidson County, Tennessee. It was built in 1950, so it is 75 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 500 vehicles a day, roughly 2% of them trucks, projected to reach 800 by 2041. The structure is 47 ft (14.3 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa C475
CrossesOtter Creek
LocationCromwell Dr@ Melbourne DR
RouteCity Street 475
CountyDavidson County
StateTennessee
Coordinates36.0554, -86.85007
Functional classUrban 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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: 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 rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans4
Design loadHS 20
Structure length47 ft (14.3 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2020)
Projected traffic800 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C475 over Otter Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa C475 over Otter 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 June 2023.

How much traffic does Nfa C475 over Otter Creek carry?

About 500 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C475 over Otter Creek?

The structure is 47 ft (14.3 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns Nfa C475 over Otter Creek?

It is owned by the City or Municipal Highway Agency.