US Bridges

FAP 15 over SR-15 / I-24

PoorPosted for load

Marion County, Tennessee · In Monteagle · Structure no. 58I00240002

Built
1959
66 years old
Condition
Poor
inspected July 2024
Type
Tee Beam
Concrete Continuous
Length
305 ft
4 main spans
Daily traffic
5,811
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 15 over SR-15 / I-24 is a concrete continuous tee beam carrying FAP 15 over SR-15 / I-24 in Marion County, Tennessee. It was built in 1959, so it is 66 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 5,811 vehicles a day, roughly 5% of them trucks, projected to reach 9,298 by 2042. The structure is 305 ft (93 m) long and 38 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesFAP 15
CrossesSR-15 / I-24
LocationIn Monteagle
RouteU.S. Route 41
Coordinates35.24002, -85.8481
Functional classRural Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.8 US tons
Inventory rating23.6 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length305 ft (93 m)
Longest span87 ft (26.4 m)
Deck width38 ft (11.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,811 (2021)
Projected traffic9,298 by 2042
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 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$3 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 15 over SR-15 / I-24 built?

It was built in 1959, making it 66 years old in 2025.

What condition is FAP 15 over SR-15 / I-24 in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2024.

How much traffic does FAP 15 over SR-15 / I-24 carry?

About 5,811 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is FAP 15 over SR-15 / I-24?

The structure is 305 ft (93 m) long with a longest span of 87 ft (26.4 m) and a deck 38 ft wide.

Who owns FAP 15 over SR-15 / I-24?

It is owned by the State Highway Agency.