US Bridges

Nfa C685 over Sugartree Creek

Good

Davidson County, Tennessee · Cross Creek @sugartree RD · Structure no. 190B9470001

Built
1986
39 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
69 ft
3 main spans
Daily traffic
4,600
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa C685 over Sugartree Creek is a concrete continuous culvert carrying Nfa C685 over Sugartree Creek in Davidson County, Tennessee. It was built in 1986, so it is 39 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 4,600 vehicles a day, roughly 2% of them trucks, projected to reach 7,360 by 2041. The structure is 69 ft (21 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa C685
CrossesSugartree Creek
LocationCross Creek @sugartree RD
RouteCity Street 685
Coordinates36.10838, -86.8222
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: 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 rating82.5 US tons
Inventory rating49.6 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length69 ft (21 m)
Longest span15 ft (4.6 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,600 (2020)
Projected traffic7,360 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 C685 over Sugartree Creek built?

It was built in 1986, making it 39 years old in 2025.

What condition is Nfa C685 over Sugartree Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2023.

How much traffic does Nfa C685 over Sugartree Creek carry?

About 4,600 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C685 over Sugartree Creek?

The structure is 69 ft (21 m) long with a longest span of 15 ft (4.6 m) and a deck 39 ft wide.

Who owns Nfa C685 over Sugartree Creek?

It is owned by the City or Municipal Highway Agency.