US Bridges

Nfa 900 (sa 4008) over Branch

Fair

Henry County, Tennessee · 5 Mi. W. of Benton Co. · Structure no. 40S80240007

Built
1958
67 years old
Condition
Fair
inspected September 2023
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
829
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 900 (sa 4008) over Branch is a concrete continuous culvert carrying Nfa 900 (sa 4008) over Branch in Henry County, Tennessee. It was built in 1958, so it is 67 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 829 vehicles a day, roughly 5% of them trucks, projected to reach 1,326 by 2042. The structure is 49 ft (14.9 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 900 (sa 4008)
CrossesBranch
Location5 Mi. W. of Benton Co.
RouteCounty Highway 5741
CountyHenry County
StateTennessee
Coordinates36.21856, -88.25103
Functional classRural Major 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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 15
Structure length49 ft (14.9 m)
Longest span15 ft (4.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic829 (2021)
Projected traffic1,326 by 2042
Trucks5%
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$356,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 900 (sa 4008) over Branch built?

It was built in 1958, making it 67 years old in 2025.

What condition is Nfa 900 (sa 4008) 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 September 2023.

How much traffic does Nfa 900 (sa 4008) over Branch carry?

About 829 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is Nfa 900 (sa 4008) over Branch?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m) and a deck 27 ft wide.

Who owns Nfa 900 (sa 4008) over Branch?

It is owned by the County Highway Agency.