US Bridges

SR 1 - US 27 (nbl) over NS Railroad

Fair

Walker County, Georgia · 1 MI N of Chickamauga · Structure no. 000000029550950

Built
2001
24 years old
Condition
Fair
inspected December 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
166 ft
3 main spans
Daily traffic
14,600
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1 - US 27 (nbl) over NS Railroad is a prestressed concrete stringer/multi-beam or girder carrying SR 1 - US 27 (nbl) over NS Railroad in Walker County, Georgia. It was built in 2001, so it is 24 years old, younger than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 14,600 vehicles a day, roughly 5% of them trucks, projected to reach 20,295 by 2031. The structure is 166 ft (50.6 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 1 - US 27 (nbl)
CrossesNS Railroad
Location1 MI N of Chickamauga
RouteU.S. Route 27
StateGeorgia
Coordinates34.89647, -85.27632
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating35.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length166 ft (50.6 m)
Longest span66 ft (20.1 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,600 (2024)
Projected traffic20,295 by 2031
Trucks5%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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$973,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 1 - US 27 (nbl) over NS Railroad built?

It was built in 2001, making it 24 years old in 2025.

What condition is SR 1 - US 27 (nbl) over NS Railroad in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2024.

How much traffic does SR 1 - US 27 (nbl) over NS Railroad carry?

About 14,600 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 1 - US 27 (nbl) over NS Railroad?

The structure is 166 ft (50.6 m) long with a longest span of 66 ft (20.1 m) and a deck 43 ft wide.

Who owns SR 1 - US 27 (nbl) over NS Railroad?

It is owned by the State Highway Agency.