US Bridges

River Ridge RD over Flat Creek

GoodPosted for load

Monroe County, Alabama · 3 MI NW of Old Scotland · Structure no. 021469

Built
2018
7 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
99 ft
7 main spans
Daily traffic
50
2018 count
Owner
County
County Highway Agency

About this bridge

River Ridge RD over Flat Creek is a wood or timber stringer/multi-beam or girder carrying River Ridge RD over Flat Creek in Monroe County, Alabama. It was built in 2018, so it is 7 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, roughly 20% of them trucks, projected to reach 75 by 2038. The structure is 99 ft (30.3 m) long and 16 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRiver Ridge RD
CrossesFlat Creek
Location3 MI NW of Old Scotland
RouteCounty Highway 4
StateAlabama
Coordinates31.6884, -87.3102
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating40.5 US tons
Inventory rating30 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans7
Design loadUnknown
Structure length99 ft (30.3 m)
Longest span15 ft (4.7 m)
Deck width16 ft (4.9 m)
Roadway width14 ft (4.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2018)
Projected traffic75 by 2038
Trucks20%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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$468,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was River Ridge RD over Flat Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is River Ridge RD over Flat 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 November 2024.

How much traffic does River Ridge RD over Flat Creek carry?

About 50 vehicles per day (2018 count), of which roughly 20% are trucks.

How long is River Ridge RD over Flat Creek?

The structure is 99 ft (30.3 m) long with a longest span of 15 ft (4.7 m) and a deck 16 ft wide.

Who owns River Ridge RD over Flat Creek?

It is owned by the County Highway Agency.