US Bridges

Co. Rt. No. 57 over Allen Creek

Good

Marengo County, Alabama · 02.3 MI N. Jefferson · Structure no. 015897

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

About this bridge

Co. Rt. No. 57 over Allen Creek is a concrete culvert carrying Co. Rt. No. 57 over Allen Creek 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 68 ft (20.7 m) long and 33 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

Open in Google Maps
CarriesCo. Rt. No. 57
CrossesAllen Creek
Location02.3 MI N. Jefferson
RouteCounty Highway 57
CountyMarengo County
StateAlabama
Coordinates32.41653, -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
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating75.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span16 ft (4.9 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.2 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$793,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Rt. No. 57 over Allen Creek built?

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

What condition is Co. Rt. No. 57 over Allen 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 January 2025.

How much traffic does Co. Rt. No. 57 over Allen Creek carry?

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

How long is Co. Rt. No. 57 over Allen Creek?

The structure is 68 ft (20.7 m) long with a longest span of 16 ft (4.9 m) and a deck 33 ft wide.

Who owns Co. Rt. No. 57 over Allen Creek?

It is owned by the County Highway Agency.