US Bridges

Nfa A001 over M. Fk. Forked Deer River

FairPosted for load

Henderson County, Tennessee · 4 MI W of SR104 · Structure no. 390A0010001

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Girder and Floorbeam System
Steel
Length
42 ft
1 main span
Daily traffic
150
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A001 over M. Fk. Forked Deer River is a steel girder and floorbeam system carrying Nfa A001 over M. Fk. Forked Deer River in Henderson County, Tennessee. It was built in 1950, so it is 75 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. Its operating status is: posted for load restriction.

It carries about 150 vehicles a day, roughly 2% of them trucks, projected to reach 240 by 2042. The structure is 42 ft (12.9 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A001
CrossesM. Fk. Forked Deer River
Location4 MI W of SR104
RouteCounty Highway 1
CountyHenderson County
StateTennessee
Coordinates35.74481, -88.55483
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating9.6 US tons
Inventory rating7.2 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckWood or timber
Main spans1
Design loadH 10
Structure length42 ft (12.9 m)
Longest span42 ft (12.9 m)
Deck width18 ft (5.5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2020)
Projected traffic240 by 2042
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$607,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A001 over M. Fk. Forked Deer River built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa A001 over M. Fk. Forked Deer River 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 April 2024.

How much traffic does Nfa A001 over M. Fk. Forked Deer River carry?

About 150 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A001 over M. Fk. Forked Deer River?

The structure is 42 ft (12.9 m) long with a longest span of 42 ft (12.9 m) and a deck 18 ft wide.

Who owns Nfa A001 over M. Fk. Forked Deer River?

It is owned by the County Highway Agency.