US Bridges

Nfa A350 over Carr Creek

Good

Robertson County, Tennessee · 2.5 MI NE JCT SR49&SR257 · Structure no. 740A3500001

Built
1960
65 years old
Condition
Good
inspected April 2024
Type
Tee Beam
Concrete
Length
83 ft
3 main spans
Daily traffic
370
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A350 over Carr Creek is a concrete tee beam carrying Nfa A350 over Carr Creek in Robertson 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 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 370 vehicles a day, roughly 2% of them trucks, projected to reach 592 by 2040. The structure is 83 ft (25.3 m) long and 22 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesNfa A350
CrossesCarr Creek
Location2.5 MI NE JCT SR49&SR257
RouteCounty Highway 0A350
Coordinates36.47427, -86.91286
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
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 alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length83 ft (25.3 m)
Longest span26 ft (7.9 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic370 (2020)
Projected traffic592 by 2040
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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$250,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A350 over Carr Creek built?

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

What condition is Nfa A350 over Carr 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 April 2024.

How much traffic does Nfa A350 over Carr Creek carry?

About 370 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A350 over Carr Creek?

The structure is 83 ft (25.3 m) long with a longest span of 26 ft (7.9 m) and a deck 22 ft wide.

Who owns Nfa A350 over Carr Creek?

It is owned by the County Highway Agency.