US Bridges

Nfa A098 over Branch

Fair

Obion County, Tennessee · 2.4 MI W JCT SR5&KY Line · Structure no. 660A0980009

Built
1970
55 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
29 ft
1 main span
Daily traffic
340
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A098 over Branch is a concrete channel beam carrying Nfa A098 over Branch in Obion County, Tennessee. It was built in 1970, so it is 55 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 340 vehicles a day, roughly 2% of them trucks, projected to reach 544 by 2042. The structure is 29 ft (8.7 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNfa A098
CrossesBranch
Location2.4 MI W JCT SR5&KY Line
RouteCounty Highway 98
CountyObion County
StateTennessee
Coordinates36.50442, -89.16395
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length29 ft (8.7 m)
Longest span29 ft (8.7 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic340 (2020)
Projected traffic544 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$481,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A098 over Branch built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa A098 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 October 2023.

How much traffic does Nfa A098 over Branch carry?

About 340 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A098 over Branch?

The structure is 29 ft (8.7 m) long with a longest span of 29 ft (8.7 m) and a deck 25 ft wide.

Who owns Nfa A098 over Branch?

It is owned by the County Highway Agency.