US Bridges

Nfa A210 over Cartwright Creek

Fair

Williamson County, Tennessee · .6 M SE JCT SR46 & SR106 · Structure no. 940A2100001

Built
1986
39 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete Continuous
Length
56 ft
3 main spans
Daily traffic
1,210
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A210 over Cartwright Creek is a concrete continuous culvert carrying Nfa A210 over Cartwright Creek in Williamson 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 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 1,210 vehicles a day, roughly 2% of them trucks, projected to reach 1,936 by 2041. The structure is 56 ft (17.1 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A210
CrossesCartwright Creek
Location.6 M SE JCT SR46 & SR106
RouteCounty Highway 210
Coordinates36.0045, -86.8781
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 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 evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,210 (2020)
Projected traffic1,936 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$188,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A210 over Cartwright Creek built?

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

What condition is Nfa A210 over Cartwright 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 A210 over Cartwright Creek carry?

About 1,210 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A210 over Cartwright Creek?

The structure is 56 ft (17.1 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa A210 over Cartwright Creek?

It is owned by the County Highway Agency.