US Bridges

US 27 (nbl)/ SR 1 over I-185 (sr 411)

Good

Troup County, Georgia · 5 MI SE of Lagrange · Structure no. 000000028500030

Built
1977
48 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
313 ft
4 main spans
Daily traffic
6,860
2024 count
Owner
State
State Highway Agency

About this bridge

US 27 (nbl)/ SR 1 over I-185 (sr 411) is a steel continuous stringer/multi-beam or girder carrying US 27 (nbl)/ SR 1 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 6,860 vehicles a day, roughly 10% of them trucks, projected to reach 8,700 by 2032. The structure is 313 ft (95.4 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 27 (nbl)/ SR 1
CrossesI-185 (sr 411)
Location5 MI SE of Lagrange
RouteU.S. Route 27
StateGeorgia
Coordinates32.96181, -84.95592
Functional classRural Principal Arterial - Other

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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.9 US tons
Inventory rating23.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length313 ft (95.4 m)
Longest span101 ft (30.8 m)
Deck width44 ft (13.5 m)
Roadway width42 ft (12.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,860 (2024)
Projected traffic8,700 by 2032
Trucks10%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 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 US 27 (nbl)/ SR 1 over I-185 (sr 411) built?

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

What condition is US 27 (nbl)/ SR 1 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 US 27 (nbl)/ SR 1 over I-185 (sr 411) carry?

About 6,860 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is US 27 (nbl)/ SR 1 over I-185 (sr 411)?

The structure is 313 ft (95.4 m) long with a longest span of 101 ft (30.8 m) and a deck 44 ft wide.

Who owns US 27 (nbl)/ SR 1 over I-185 (sr 411)?

It is owned by the State Highway Agency.