US Bridges

ST Clair CO 66 over Green Branch

FairPosted for load

St. Clair County, Alabama · 0 6 E Ragland · Structure no. 003295

Built
1948
77 years old
Condition
Fair
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
520
1999 count
Owner
County
County Highway Agency

About this bridge

ST Clair CO 66 over Green Branch is a steel stringer/multi-beam or girder carrying ST Clair CO 66 over Green Branch in St. Clair County, Alabama. It was built in 1948, so it is 77 years old, older than the Alabama average of 51.1 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 520 vehicles a day, roughly 10% of them trucks, projected to reach 821 by 2029. The structure is 24 ft (7.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesST Clair CO 66
CrossesGreen Branch
Location0 6 E Ragland
RouteCounty Highway 61
CountySt. Clair County
StateAlabama
Coordinates33.74907, -86.12232
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 protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating3 US tons
Inventory rating2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length24 ft (7.3 m)
Longest span22 ft (6.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (1999)
Projected traffic821 by 2029
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$281,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was ST Clair CO 66 over Green Branch built?

It was built in 1948, making it 77 years old in 2025.

What condition is ST Clair CO 66 over Green Branch 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 October 2023.

How much traffic does ST Clair CO 66 over Green Branch carry?

About 520 vehicles per day (1999 count), of which roughly 10% are trucks.

How long is ST Clair CO 66 over Green Branch?

The structure is 24 ft (7.3 m) long with a longest span of 22 ft (6.7 m) and a deck 28 ft wide.

Who owns ST Clair CO 66 over Green Branch?

It is owned by the County Highway Agency.