US Bridges

County Rt 57 over Relief Drainage Ditch

Good

Marengo County, Alabama · 2.4 Mi.N. Jefferson · Structure no. 015863

Built
1993
32 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
450
1992 count
Owner
County
County Highway Agency

About this bridge

County Rt 57 over Relief Drainage Ditch is a concrete culvert carrying County Rt 57 over Relief Drainage Ditch in Marengo County, Alabama. It was built in 1993, so it is 32 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 450 vehicles a day, roughly 10% of them trucks, projected to reach 670 by 2040. The structure is 33 ft (10.1 m) long. If it were closed, the detour would be 16.2 mi (26 km).

CarriesCounty Rt 57
CrossesRelief Drainage Ditch
Location2.4 Mi.N. Jefferson
RouteCounty Highway 57
StateAlabama
Coordinates32.41615, -87.91656
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating74.6 US tons
Inventory rating44.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (1992)
Projected traffic670 by 2040
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$352,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Rt 57 over Relief Drainage Ditch built?

It was built in 1993, making it 32 years old in 2025.

What condition is County Rt 57 over Relief Drainage Ditch 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 January 2025.

How much traffic does County Rt 57 over Relief Drainage Ditch carry?

About 450 vehicles per day (1992 count), of which roughly 10% are trucks.

How long is County Rt 57 over Relief Drainage Ditch?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m).

Who owns County Rt 57 over Relief Drainage Ditch?

It is owned by the County Highway Agency.