US Bridges

O. Patterson RD over Flint River

FairPosted for load

Madison County, Alabama · 0.5 MI W JCT CO RD 450 · Structure no. 005685

Built
1956
69 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
508 ft
3 main spans
Daily traffic
1,513
2002 count
Owner
County
County Highway Agency

About this bridge

O. Patterson RD over Flint River is a steel continuous stringer/multi-beam or girder carrying O. Patterson RD over Flint River in Madison County, Alabama. It was built in 1956, so it is 69 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 5 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 1,513 vehicles a day, roughly 1% of them trucks, projected to reach 1,820 by 2042. The structure is 508 ft (154.8 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesO. Patterson RD
CrossesFlint River
Location0.5 MI W JCT CO RD 450
RouteCounty Highway 453
StateAlabama
Coordinates34.88059, -86.48054
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.9 US tons
Inventory rating22 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+9 approach)
Design loadH 15
Structure length508 ft (154.8 m)
Longest span80 ft (24.4 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,513 (2002)
Projected traffic1,820 by 2042
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$2.9 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was O. Patterson RD over Flint River built?

It was built in 1956, making it 69 years old in 2025.

What condition is O. Patterson RD over Flint River 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 February 2024.

How much traffic does O. Patterson RD over Flint River carry?

About 1,513 vehicles per day (2002 count), of which roughly 1% are trucks.

How long is O. Patterson RD over Flint River?

The structure is 508 ft (154.8 m) long with a longest span of 80 ft (24.4 m) and a deck 24 ft wide.

Who owns O. Patterson RD over Flint River?

It is owned by the County Highway Agency.