US Bridges

Boynton Drive over I-75

Poor

Catoosa County, Georgia · 2 MI West of Ringgold · Structure no. 000000004700470

Built
1961
64 years old
Condition
Poor
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
257 ft
4 main spans
Daily traffic
4,950
2024 count
Owner
State
State Highway Agency

About this bridge

Boynton Drive over I-75 is a steel stringer/multi-beam or girder carrying Boynton Drive over I-75 in Catoosa County, Georgia. It was built in 1961, so it is 64 years old, older than the Georgia average of 47.5 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.

It carries about 4,950 vehicles a day, roughly 1% of them trucks, projected to reach 7,425 by 2031. The structure is 257 ft (78.3 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesBoynton Drive
CrossesI-75
Location2 MI West of Ringgold
RouteCity Street 382
StateGeorgia
Coordinates34.91899, -85.14731
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.9 US tons
Inventory rating22.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length257 ft (78.3 m)
Longest span89 ft (27.1 m)
Deck width32 ft (9.8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2024)
Projected traffic7,425 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.5 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Boynton Drive over I-75 built?

It was built in 1961, making it 64 years old in 2025.

What condition is Boynton Drive over I-75 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 November 2023.

How much traffic does Boynton Drive over I-75 carry?

About 4,950 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Boynton Drive over I-75?

The structure is 257 ft (78.3 m) long with a longest span of 89 ft (27.1 m) and a deck 32 ft wide.

Who owns Boynton Drive over I-75?

It is owned by the State Highway Agency.