US Bridges

Nfa 1960 (sa 7415) over Branch

Good

Robertson County, Tennessee · 3.2 MI NE JCT SR25&SR65 · Structure no. 74019600003

Built
1940
85 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
178
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1960 (sa 7415) over Branch is a concrete continuous culvert carrying Nfa 1960 (sa 7415) over Branch in Robertson County, Tennessee. It was built in 1940, so it is 85 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 178 vehicles a day, roughly 3% of them trucks, projected to reach 320 by 2040. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa 1960 (sa 7415)
CrossesBranch
Location3.2 MI NE JCT SR25&SR65
RouteCounty Highway 1960
Coordinates36.5956, -86.81274
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
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 alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic178 (2021)
Projected traffic320 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$85,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1960 (sa 7415) over Branch built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa 1960 (sa 7415) over Branch 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 1960 (sa 7415) over Branch carry?

About 178 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1960 (sa 7415) over Branch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Nfa 1960 (sa 7415) over Branch?

It is owned by the County Highway Agency.