US Bridges

Mcnelly Road over Conasauga River Trib.

PoorPosted for load

Murray County, Georgia · 5 MI NW of Crandell · Structure no. 000000021350410

Built
1934
91 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
25 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Mcnelly Road over Conasauga River Trib. is a steel stringer/multi-beam or girder carrying Mcnelly Road over Conasauga River Trib. in Murray County, Georgia. It was built in 1934, so it is 91 years old, older than the Georgia average of 47.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 20 vehicles a day, roughly 1% of them trucks, projected to reach 735 by 2032. The structure is 25 ft (7.6 m) long and 12 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

CarriesMcnelly Road
CrossesConasauga River Trib.
Location5 MI NW of Crandell
RouteCounty Highway 505
StateGeorgia
Coordinates34.93962, -84.77414
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating11.9 US tons
Inventory rating6.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width12 ft (3.8 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic735 by 2032
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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$107,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Mcnelly Road over Conasauga River Trib. built?

It was built in 1934, making it 91 years old in 2025.

What condition is Mcnelly Road over Conasauga River Trib. in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Mcnelly Road over Conasauga River Trib. carry?

About 20 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Mcnelly Road over Conasauga River Trib.?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m) and a deck 12 ft wide.

Who owns Mcnelly Road over Conasauga River Trib.?

It is owned by the County Highway Agency.