US Bridges

County Route 6 over Big Flat Creek

PoorPosted for load

Monroe County, Alabama · 4.0 Mi. S. Vredenburgh · Structure no. 003194

Built
1948
77 years old
Condition
Poor
inspected February 2025
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
112 ft
8 main spans
Daily traffic
80
1993 count
Owner
County
County Highway Agency

About this bridge

County Route 6 over Big Flat Creek is a wood or timber stringer/multi-beam or girder carrying County Route 6 over Big Flat Creek in Monroe 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 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 80 vehicles a day, roughly 20% of them trucks, projected to reach 150 by 2033. The structure is 112 ft (34.1 m) long and 16 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesCounty Route 6
CrossesBig Flat Creek
Location4.0 Mi. S. Vredenburgh
RouteCounty Highway 1
StateAlabama
Coordinates31.75792, -87.29503
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating19.4 US tons
Inventory rating14.3 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans8
Design loadUnknown
Structure length112 ft (34.1 m)
Longest span16 ft (4.9 m)
Deck width16 ft (4.9 m)
Roadway width10 ft (3.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (1993)
Projected traffic150 by 2033
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$519,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County Route 6 over Big Flat Creek built?

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

What condition is County Route 6 over Big Flat Creek 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 February 2025.

How much traffic does County Route 6 over Big Flat Creek carry?

About 80 vehicles per day (1993 count), of which roughly 20% are trucks.

How long is County Route 6 over Big Flat Creek?

The structure is 112 ft (34.1 m) long with a longest span of 16 ft (4.9 m) and a deck 16 ft wide.

Who owns County Route 6 over Big Flat Creek?

It is owned by the County Highway Agency.