US Bridges

Upper Big Spgs RD over I-185 (sr 411)

Good

Troup County, Georgia · 3 MI E of Lagrange · Structure no. 000000028500890

Built
1977
48 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
307 ft
4 main spans
Daily traffic
5,080
2024 count
Owner
State
State Highway Agency

About this bridge

Upper Big Spgs RD over I-185 (sr 411) is a steel continuous stringer/multi-beam or girder carrying Upper Big Spgs RD over I-185 (sr 411) in Troup County, Georgia. It was built in 1977, so it is 48 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 5,080 vehicles a day, roughly 1% of them trucks, projected to reach 5,190 by 2032. The structure is 307 ft (93.6 m) long and 51 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesUpper Big Spgs RD
CrossesI-185 (sr 411)
Location3 MI E of Lagrange
RouteCounty Highway 1428
CountyTroup County
StateGeorgia
Coordinates33.01237, -84.95277
Functional classRural Major Collector

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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.9 US tons
Inventory rating32 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length307 ft (93.6 m)
Longest span101 ft (30.8 m)
Deck width51 ft (15.4 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,080 (2024)
Projected traffic5,190 by 2032
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$1.8 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was Upper Big Spgs RD over I-185 (sr 411) built?

It was built in 1977, making it 48 years old in 2025.

What condition is Upper Big Spgs RD over I-185 (sr 411) 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 2023.

How much traffic does Upper Big Spgs RD over I-185 (sr 411) carry?

About 5,080 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Upper Big Spgs RD over I-185 (sr 411)?

The structure is 307 ft (93.6 m) long with a longest span of 101 ft (30.8 m) and a deck 51 ft wide.

Who owns Upper Big Spgs RD over I-185 (sr 411)?

It is owned by the State Highway Agency.