US Bridges

SR 56 - US 221 over Branch Limestone Creek

Good

Montgomery County, Georgia · 1 MI S of Mt Vernon · Structure no. 000000020900090

Built
1937
88 years old
Condition
Good
inspected May 2024
Type
Culvert
Concrete
Length
21 ft
2 main spans
Daily traffic
1,560
2024 count
Owner
State
State Highway Agency

About this bridge

SR 56 - US 221 over Branch Limestone Creek is a concrete culvert carrying SR 56 - US 221 over Branch Limestone Creek in Montgomery County, Georgia. It was built in 1937, so it is 88 years old, older 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 1,560 vehicles a day, roughly 1% of them trucks, projected to reach 1,710 by 2031. The structure is 21 ft (6.4 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSR 56 - US 221
CrossesBranch Limestone Creek
Location1 MI S of Mt Vernon
RouteU.S. Route 221
StateGeorgia
Coordinates32.16232, -82.58327
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65.9 US tons
Inventory rating39.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 15
Structure length21 ft (6.4 m)
Longest span10 ft (3 m)
Deck width37 ft (11.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,560 (2024)
Projected traffic1,710 by 2031
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$123,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 56 - US 221 over Branch Limestone Creek built?

It was built in 1937, making it 88 years old in 2025.

What condition is SR 56 - US 221 over Branch Limestone Creek 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 May 2024.

How much traffic does SR 56 - US 221 over Branch Limestone Creek carry?

About 1,560 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is SR 56 - US 221 over Branch Limestone Creek?

The structure is 21 ft (6.4 m) long with a longest span of 10 ft (3 m) and a deck 37 ft wide.

Who owns SR 56 - US 221 over Branch Limestone Creek?

It is owned by the State Highway Agency.