US Bridges

FAP 104 over N. Fk. Forked Deer River

Fair

Gibson County, Tennessee · .1 Mile East of Trenton · Structure no. 27SR1040001

Built
1967
58 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
316 ft
8 main spans
Daily traffic
1,535
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 104 over N. Fk. Forked Deer River is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 104 over N. Fk. Forked Deer River in Gibson County, Tennessee. It was built in 1967, so it is 58 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 1,535 vehicles a day, roughly 10% of them trucks, projected to reach 2,230 by 2042. The structure is 316 ft (96.3 m) long and 37 ft wide. If it were closed, the detour would be 59 mi (95 km).

Location

Open in Google Maps
CarriesFAP 104
CrossesN. Fk. Forked Deer River
Location.1 Mile East of Trenton
RouteState Highway 104
CountyGibson County
StateTennessee
Coordinates36.02244, -89.17178
Functional classRural Principal Arterial - Other

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 inspectionJune 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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.5 US tons
Inventory rating28.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length316 ft (96.3 m)
Longest span40 ft (12.2 m)
Deck width37 ft (11.3 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,535 (2021)
Projected traffic2,230 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed59 mi (95 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.3 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 104 over N. Fk. Forked Deer River built?

It was built in 1967, making it 58 years old in 2025.

What condition is FAP 104 over N. 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 June 2023.

How much traffic does FAP 104 over N. Fk. Forked Deer River carry?

About 1,535 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 104 over N. Fk. Forked Deer River?

The structure is 316 ft (96.3 m) long with a longest span of 40 ft (12.2 m) and a deck 37 ft wide.

Who owns FAP 104 over N. Fk. Forked Deer River?

It is owned by the State Highway Agency.