US Bridges

Nfa 1798 (sa 2201) over Branch

Good

Dickson County, Tennessee · 1 M. Ne. W. Corner of Co. · Structure no. 22017980001

Built
1936
89 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
610
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1798 (sa 2201) over Branch is a concrete continuous culvert carrying Nfa 1798 (sa 2201) over Branch in Dickson County, Tennessee. It was built in 1936, so it is 89 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 610 vehicles a day, roughly 3% of them trucks, projected to reach 480 by 2040. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1798 (sa 2201)
CrossesBranch
Location1 M. Ne. W. Corner of Co.
RouteCounty Highway 1798
Coordinates36.00747, -87.52296
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJune 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 alignment6: Equal to present minimum criteria
Operating rating46.7 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span10 ft (3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2021)
Projected traffic480 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 1798 (sa 2201) over Branch built?

It was built in 1936, making it 89 years old in 2025.

What condition is Nfa 1798 (sa 2201) 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 June 2024.

How much traffic does Nfa 1798 (sa 2201) over Branch carry?

About 610 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1798 (sa 2201) over Branch?

The structure is 31 ft (9.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa 1798 (sa 2201) over Branch?

It is owned by the County Highway Agency.