US Bridges

Nfa 942 (sa 5109) over Branch

Fair

Lewis County, Tennessee · 4 M. N. Hohenwald. · Structure no. 51S61790003

Built
1940
85 years old
Condition
Fair
inspected June 2023
Type
Culvert
Concrete Continuous
Length
34 ft
3 main spans
Daily traffic
430
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 942 (sa 5109) over Branch is a concrete continuous culvert carrying Nfa 942 (sa 5109) over Branch in Lewis 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 fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 430 vehicles a day, roughly 3% of them trucks, projected to reach 744 by 2041. The structure is 34 ft (10.4 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 942 (sa 5109)
CrossesBranch
Location4 M. N. Hohenwald.
RouteCounty Highway 942
Coordinates35.60522, -87.56617
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating28.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic430 (2021)
Projected traffic744 by 2041
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$104,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 942 (sa 5109) over Branch built?

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

What condition is Nfa 942 (sa 5109) over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in June 2023.

How much traffic does Nfa 942 (sa 5109) over Branch carry?

About 430 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 942 (sa 5109) over Branch?

The structure is 34 ft (10.4 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa 942 (sa 5109) over Branch?

It is owned by the County Highway Agency.