US Bridges

Nfa 1868 (sa 2205) over Branch

Good

Dickson County, Tennessee · 0.11 M. E. SR46. · Structure no. 22018680001

Built
1975
50 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
94
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1868 (sa 2205) over Branch is a concrete continuous culvert carrying Nfa 1868 (sa 2205) over Branch in Dickson County, Tennessee. It was built in 1975, so it is 50 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 94 vehicles a day, roughly 2% of them trucks, projected to reach 150 by 2042. The structure is 21 ft (6.4 m) long and 26 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 1868 (sa 2205)
CrossesBranch
Location0.11 M. E. SR46.
RouteCounty Highway 1868
Coordinates36.18258, -87.51828
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 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2021)
Projected traffic150 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 1868 (sa 2205) over Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa 1868 (sa 2205) 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 1868 (sa 2205) over Branch carry?

About 94 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1868 (sa 2205) over Branch?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa 1868 (sa 2205) over Branch?

It is owned by the County Highway Agency.