US Bridges

Nfa 1955 (sa 7407) over Buzzard Creek

Good

Robertson County, Tennessee · 3.6 MI W JCT SR25&SR161 · Structure no. 74019550001

Built
1950
75 years old, rebuilt 2011
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
90 ft
2 main spans
Daily traffic
812
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1955 (sa 7407) over Buzzard Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1955 (sa 7407) over Buzzard Creek in Robertson County, Tennessee. It was built in 1950 and reconstructed in 2011, 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 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 812 vehicles a day, roughly 5% of them trucks, projected to reach 1,299 by 2042. The structure is 90 ft (27.3 m) long and 28 ft wide. If it were closed, the detour would be 21.7 mi (35 km).

CarriesNfa 1955 (sa 7407)
CrossesBuzzard Creek
Location3.6 MI W JCT SR25&SR161
RouteCounty Highway 1955
Coordinates36.60492, -86.98246
Functional classRural Minor Collector

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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation8: Equal to present desirable 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 rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length90 ft (27.3 m)
Longest span44 ft (13.3 m)
Deck width28 ft (8.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic812 (2021)
Projected traffic1,299 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.7 mi (35 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1955 (sa 7407) over Buzzard Creek built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 2011.

What condition is Nfa 1955 (sa 7407) over Buzzard 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 1955 (sa 7407) over Buzzard Creek carry?

About 812 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 1955 (sa 7407) over Buzzard Creek?

The structure is 90 ft (27.3 m) long with a longest span of 44 ft (13.3 m) and a deck 28 ft wide.

Who owns Nfa 1955 (sa 7407) over Buzzard Creek?

It is owned by the County Highway Agency.