US Bridges

Monticello Road over Aucilla River Overflow

FairPosted for load

Thomas County, Georgia · App 1 MI S of Boston · Structure no. 000000027500300

Built
1954
71 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
108 ft
4 main spans
Daily traffic
730
2024 count
Owner
County
County Highway Agency

About this bridge

Monticello Road over Aucilla River Overflow is a steel continuous stringer/multi-beam or girder carrying Monticello Road over Aucilla River Overflow in Thomas County, Georgia. It was built in 1954, so it is 71 years old, older 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. Its operating status is: posted for load restriction.

It carries about 730 vehicles a day, roughly 1% of them trucks, projected to reach 1,215 by 2031. The structure is 108 ft (32.9 m) long and 30 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMonticello Road
CrossesAucilla River Overflow
LocationApp 1 MI S of Boston
RouteCounty Highway 563
StateGeorgia
Coordinates30.78, -83.80254
Functional classRural Major Collector

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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating49.9 US tons
Inventory rating30 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length108 ft (32.9 m)
Longest span27 ft (8.2 m)
Deck width30 ft (9.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic730 (2024)
Projected traffic1,215 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed9.9 mi (16 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$633,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Monticello Road over Aucilla River Overflow built?

It was built in 1954, making it 71 years old in 2025.

What condition is Monticello Road over Aucilla River Overflow 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 November 2024.

How much traffic does Monticello Road over Aucilla River Overflow carry?

About 730 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Monticello Road over Aucilla River Overflow?

The structure is 108 ft (32.9 m) long with a longest span of 27 ft (8.2 m) and a deck 30 ft wide.

Who owns Monticello Road over Aucilla River Overflow?

It is owned by the County Highway Agency.