US Bridges

FAP 99 350406Y over CSX Railroad

Good

Marshall County, Tennessee · 1MI.W.OF Henry Horton Pk. · Structure no. 59SR0990003

Built
1969
56 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
150 ft
3 main spans
Daily traffic
6,942
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 99 350406Y over CSX Railroad is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 99 350406Y over CSX Railroad in Marshall County, Tennessee. It was built in 1969, so it is 56 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,942 vehicles a day, roughly 5% of them trucks, projected to reach 10,464 by 2041. The structure is 150 ft (45.8 m) long and 36 ft wide. If it were closed, the detour would be 39.1 mi (63 km).

CarriesFAP 99 350406Y
CrossesCSX Railroad
Location1MI.W.OF Henry Horton Pk.
RouteState Highway 99
Coordinates35.59974, -86.72022
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length150 ft (45.8 m)
Longest span50 ft (15.3 m)
Deck width36 ft (11 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,942 (2021)
Projected traffic10,464 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed39.1 mi (63 km)
TollOn a free road
National Highway SystemNo

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$1.5 million (2021 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 99 350406Y over CSX Railroad built?

It was built in 1969, making it 56 years old in 2025.

What condition is FAP 99 350406Y over CSX Railroad in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2024.

How much traffic does FAP 99 350406Y over CSX Railroad carry?

About 6,942 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 99 350406Y over CSX Railroad?

The structure is 150 ft (45.8 m) long with a longest span of 50 ft (15.3 m) and a deck 36 ft wide.

Who owns FAP 99 350406Y over CSX Railroad?

It is owned by the State Highway Agency.