US Bridges

SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR

Good

Walker County, Georgia · 3 MI N of Chickamauga · Structure no. 000000029550970

Built
2001
24 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
502 ft
6 main spans
Daily traffic
14,600
2024 count
Owner
State
State Highway Agency

About this bridge

SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR is a prestressed concrete stringer/multi-beam or girder carrying SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR 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 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 14,600 vehicles a day, roughly 5% of them trucks, projected to reach 20,295 by 2031. The structure is 502 ft (153 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 1 - US 27 (nbl)
CrossesWilder RD & Nor Sou RR
Location3 MI N of Chickamauga
RouteU.S. Route 27
StateGeorgia
Coordinates34.92495, -85.28214
Functional classUrban Other Principal Arterial

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 inspectionFebruary 2025
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 rating56 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20 + Mod
Structure length502 ft (153 m)
Longest span90 ft (27.4 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
CrossesHighway and railroad
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$2.9 million
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR built?

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

What condition is SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR 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 February 2025.

How much traffic does SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR carry?

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

How long is SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR?

The structure is 502 ft (153 m) long with a longest span of 90 ft (27.4 m) and a deck 43 ft wide.

Who owns SR 1 - US 27 (nbl) over Wilder RD & Nor Sou RR?

It is owned by the State Highway Agency.