US Bridges

Estes Road over I-475 (sr 408)

Good

Monroe County, Georgia · 10 MI SE of Forsyth · Structure no. 000000020700360

Built
1965
60 years old
Condition
Good
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
294 ft
4 main spans
Daily traffic
870
2024 count
Owner
State
State Highway Agency

About this bridge

Estes Road over I-475 (sr 408) is a steel stringer/multi-beam or girder carrying Estes Road over I-475 (sr 408) in Monroe County, Georgia. It was built in 1965, so it is 60 years old, older than the Georgia average of 47.5 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 870 vehicles a day, roughly 1% of them trucks, projected to reach 885 by 2031. The structure is 294 ft (89.6 m) long and 34 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesEstes Road
CrossesI-475 (sr 408)
Location10 MI SE of Forsyth
RouteCounty Highway 281
CountyMonroe County
StateGeorgia
Coordinates32.93548, -83.80731
Functional classRural Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionOctober 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length294 ft (89.6 m)
Longest span85 ft (25.9 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic870 (2024)
Projected traffic885 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost$1.7 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Estes Road over I-475 (sr 408) built?

It was built in 1965, making it 60 years old in 2025.

What condition is Estes Road over I-475 (sr 408) 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 October 2024.

How much traffic does Estes Road over I-475 (sr 408) carry?

About 870 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Estes Road over I-475 (sr 408)?

The structure is 294 ft (89.6 m) long with a longest span of 85 ft (25.9 m) and a deck 34 ft wide.

Who owns Estes Road over I-475 (sr 408)?

It is owned by the State Highway Agency.