US Bridges

Nfa 1951 (sa 7418) over Branch

Good

Robertson County, Tennessee · 4.6 MI SE JCT SR25&SR49 · Structure no. 74019510007

Built
1950
75 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,266
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1951 (sa 7418) over Branch is a concrete continuous culvert carrying Nfa 1951 (sa 7418) over Branch in Robertson County, Tennessee. It was built in 1950, 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 1,266 vehicles a day, roughly 3% of them trucks, projected to reach 2,026 by 2042. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 1951 (sa 7418)
CrossesBranch
Location4.6 MI SE JCT SR25&SR49
RouteCounty Highway 1951
Coordinates36.50132, -86.76328
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating28.9 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 width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,266 (2021)
Projected traffic2,026 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$130,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1951 (sa 7418) over Branch built?

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

What condition is Nfa 1951 (sa 7418) 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 1951 (sa 7418) over Branch carry?

About 1,266 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1951 (sa 7418) 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 1951 (sa 7418) over Branch?

It is owned by the County Highway Agency.