US Bridges

Riverton RD over Brier Fork Flint River

FairPosted for load

Madison County, Alabama · 1.0 MI So CO RD 450 · Structure no. 005371

Built
1955
70 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
350 ft
3 main spans
Daily traffic
520
1992 count
Owner
County
County Highway Agency

About this bridge

Riverton RD over Brier Fork Flint River is a steel continuous stringer/multi-beam or girder carrying Riverton RD over Brier Fork Flint River in Madison County, Alabama. It was built in 1955, so it is 70 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 520 vehicles a day, roughly 1% of them trucks, projected to reach 650 by 2040. The structure is 350 ft (106.7 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRiverton RD
CrossesBrier Fork Flint River
Location1.0 MI So CO RD 450
RouteCounty Highway 445
StateAlabama
Coordinates34.82289, -86.48544
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.4 US tons
Inventory rating21.5 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadH 15
Structure length350 ft (106.7 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (1992)
Projected traffic650 by 2040
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 proposedNone recorded
Estimated improvement cost$2.1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Riverton RD over Brier Fork Flint River built?

It was built in 1955, making it 70 years old in 2025.

What condition is Riverton RD over Brier Fork 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 January 2025.

How much traffic does Riverton RD over Brier Fork Flint River carry?

About 520 vehicles per day (1992 count), of which roughly 1% are trucks.

How long is Riverton RD over Brier Fork Flint River?

The structure is 350 ft (106.7 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns Riverton RD over Brier Fork Flint River?

It is owned by the County Highway Agency.