US Bridges

Aedc Rd. over I-24

PoorPosted for load

Coffee County, Tennessee · I-24 Exit 117 · Structure no. 16I00240039

Built
1963
62 years old
Condition
Poor
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
368 ft
5 main spans
Daily traffic
8,570
2021 count
Owner
State
State Highway Agency

About this bridge

Aedc Rd. over I-24 is a steel continuous stringer/multi-beam or girder carrying Aedc Rd. over I-24 in Coffee County, Tennessee. It was built in 1963, so it is 62 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 8,570 vehicles a day, roughly 3% of them trucks, projected to reach 13,712 by 2042. The structure is 368 ft (112.3 m) long and 34 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesAedc Rd.
CrossesI-24
LocationI-24 Exit 117
RouteCounty Highway 918
Coordinates35.417, -86.01665
Functional classUrban Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating19 US tons
Inventory rating14.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length368 ft (112.3 m)
Longest span86 ft (26.2 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,570 (2021)
Projected traffic13,712 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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$3.7 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Aedc Rd. over I-24 built?

It was built in 1963, making it 62 years old in 2025.

What condition is Aedc Rd. over 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 October 2023.

How much traffic does Aedc Rd. over I-24 carry?

About 8,570 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Aedc Rd. over I-24?

The structure is 368 ft (112.3 m) long with a longest span of 86 ft (26.2 m) and a deck 34 ft wide.

Who owns Aedc Rd. over I-24?

It is owned by the State Highway Agency.