US Bridges

Witherow Bridge RD over Conasauga River

Good

Whitfield County, Georgia · 6.7 MI NE of Dalton · Structure no. 000000031350830

Built
2001
24 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
1,440 ft
14 main spans
Daily traffic
1,470
2024 count
Owner
County
County Highway Agency

About this bridge

Witherow Bridge RD over Conasauga River is a prestressed concrete stringer/multi-beam or girder carrying Witherow Bridge RD over Conasauga River in Whitfield 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 1,470 vehicles a day, roughly 1% of them trucks, projected to reach 900 by 2031. The structure is 1,440 ft (438.9 m) long and 43 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesWitherow Bridge RD
CrossesConasauga River
Location6.7 MI NE of Dalton
RouteCounty Highway 137
StateGeorgia
Coordinates34.81157, -84.86008
Functional classRural Local

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.9 US tons
Inventory rating31 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans14
Design loadHS 20 + Mod
Structure length1,440 ft (438.9 m)
Longest span141 ft (43 m)
Deck width43 ft (13 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,470 (2024)
Projected traffic900 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$8.4 million
NavigationNo navigation control on waterway

Frequently asked questions

When was Witherow Bridge RD over Conasauga River built?

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

What condition is Witherow Bridge RD over Conasauga River 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 June 2024.

How much traffic does Witherow Bridge RD over Conasauga River carry?

About 1,470 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Witherow Bridge RD over Conasauga River?

The structure is 1,440 ft (438.9 m) long with a longest span of 141 ft (43 m) and a deck 43 ft wide.

Who owns Witherow Bridge RD over Conasauga River?

It is owned by the County Highway Agency.