US Bridges

Nfa A051 over Branch

Good

Dickson County, Tennessee · 0.1 M. E. SR48 · Structure no. 220A1030001

Built
1993
32 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
320
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A051 over Branch is a concrete continuous culvert carrying Nfa A051 over Branch in Dickson County, Tennessee. It was built in 1993, so it is 32 years old, younger 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 320 vehicles a day, roughly 2% of them trucks, projected to reach 512 by 2042. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A051
CrossesBranch
Location0.1 M. E. SR48
RouteCounty Highway 51
Coordinates36.29765, -87.35672
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width28 ft (8.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2020)
Projected traffic512 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$209,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A051 over Branch built?

It was built in 1993, making it 32 years old in 2025.

What condition is Nfa A051 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 May 2024.

How much traffic does Nfa A051 over Branch carry?

About 320 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A051 over Branch?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m) and a deck 28 ft wide.

Who owns Nfa A051 over Branch?

It is owned by the County Highway Agency.