US Bridges

SR 1 - US 27 (sbl) over Mcfarland Gap Road

Fair

Walker County, Georgia · 5 MI N Chickamauga · Structure no. 000000029551000

Built
2001
24 years old
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
158 ft
1 main span
Daily traffic
5,640
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1 - US 27 (sbl) over Mcfarland Gap Road is a prestressed concrete box beam or girders - single or spread carrying SR 1 - US 27 (sbl) over Mcfarland Gap Road 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 5,640 vehicles a day, roughly 5% of them trucks, projected to reach 20,295 by 2031. The structure is 158 ft (48.2 m) long and 56 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSR 1 - US 27 (sbl)
CrossesMcfarland Gap Road
Location5 MI N Chickamauga
RouteU.S. Route 27
CountyWalker County
StateGeorgia
Coordinates34.94331, -85.278
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.9 US tons
Inventory rating35.9 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length158 ft (48.2 m)
Longest span158 ft (48.2 m)
Deck width56 ft (17.1 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,640 (2024)
Projected traffic20,295 by 2031
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
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$1.2 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 1 - US 27 (sbl) over Mcfarland Gap Road built?

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

What condition is SR 1 - US 27 (sbl) over Mcfarland Gap Road 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 February 2025.

How much traffic does SR 1 - US 27 (sbl) over Mcfarland Gap Road carry?

About 5,640 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SR 1 - US 27 (sbl) over Mcfarland Gap Road?

The structure is 158 ft (48.2 m) long with a longest span of 158 ft (48.2 m) and a deck 56 ft wide.

Who owns SR 1 - US 27 (sbl) over Mcfarland Gap Road?

It is owned by the State Highway Agency.